Updated on 2022/03/30

写真a

 
KASHIWAYA Satoshi
 
Organization
Graduate School of Engineering Applied Physics 3 Professor
Graduate School
Graduate School of Engineering
Undergraduate School
School of Engineering Physical Science and Engineering
Title
Professor

Degree 1

  1. 博士(理学) ( 1996.12   東京大学 ) 

Research Interests 6

  1. アクシオン

  2. マヨラナ準粒子

  3. トポロジカル超伝導

  4. トンネル分光

  5. ジョセフソン接合

  6. 接合系

Research Areas 3

  1. Others / Others  / 高感度センシング、量子情報

  2. Others / Others  / 超伝導、トポロジカル量子現象

  3. Nanotechnology/Materials / Applied physical properties

Research History 1

  1. 産業技術総合研究所   電子光技術研究部門   首席研究員

    2013.4 - 2018.3

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    Country:Japan

Education 2

  1. The University of Tokyo   Graduate School, Division of Engineering

    1986.4 - 1988.3

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    Country: Japan

  2. The University of Tokyo   Faculty of Engineering

    1982.4 - 1986.3

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    Country: Japan

Professional Memberships 3

  1. 日本物理学会

  2. 応用物理学会

  3. American physical society

Awards 3

  1. 文部科学大臣表彰科学技術賞

    2020.4   文部科学省   非従来型超伝導体の界面現象の研究

    田仲由喜夫、柏谷聡

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    Award type:International academic award (Japan or overseas)  Country:Japan

  2. 第9回超伝導科学技術賞

    2005.6   未踏科学技術協会   異方的超伝導体における界面現象の理論と実験検証

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    Award type:International academic award (Japan or overseas)  Country:Japan

  3. 第14回日本IBM賞

    2000.12   日本IBM   異方的超伝導体におけるトンネル現象の研究

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    Award type:International academic award (Japan or overseas)  Country:Japan

 

Papers 192

  1. Near-field radio-frequency imaging by spin-locking with a nitrogen-vacancy spin sensor Reviewed

    Nomura Shintaro, Kaida Koki, Watanabe Hideyuki, Kashiwaya Satoshi

    JOURNAL OF APPLIED PHYSICS   Vol. 130 ( 2 )   2021.7

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1063/5.0052161

    Web of Science

  2. Magnetic Gap of Fe-Doped BiSbTe2Se Bulk Single Crystals Detected by Tunneling Spectroscopy and Gate-Controlled Transports Reviewed International coauthorship

    Yano Rikizo, Kudriashov Andrei, Hirose Hishiro T., Tsuda Taiki, Kashiwaya Hiromi, Sasagawa Takao, Golubov Alexander A., Stolyarov Vasily S., Kashiwaya Satoshi

    JOURNAL OF PHYSICAL CHEMISTRY LETTERS   Vol. 12 ( 17 ) page: 4180 - 4186   2021.5

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/acs.jpclett.1c00869

    Web of Science

  3. Identification of spin-triplet superconductivity through a helical-chiral phase transition in Sr2RuO4 thin films Reviewed International coauthorship

    S. Ikegaya, S, K. Yada, K, Y. Tanaka,S. Kashiwaya, Y. Asano, Y, D. Manske

    PHYSICAL REVIEW B   Vol. 101 ( 22 ) page: 220501-1 - 220501-6   2020.6

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevB.101.220501

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  4. System for the remote control and imaging of MW fields for spin manipulation in NV centers in diamond Reviewed International coauthorship

    Giacomo Mariani, Shuhei Nomoto, Satoshi Kashiwaya, Shintaro Nomura

    Scientific Reports   Vol. 10 ( 1 ) page: 4813   2020.3

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    Language:English   Publishing type:Research paper (scientific journal)  

    Nitrogen-vacancy (NV) centers in diamond have been used as platforms for quantum information, magnetometry and imaging of microwave (MW) fields. The spatial distribution of the MW fields used to drive the electron spin of NV centers plays a key role for these applications. Here, we report a system for the control and characterization of MW magnetic fields used for the NV spin manipulation. The control of the MW field in the vicinity of a diamond surface is mediated by an exchangeable lumped resonator, coupled inductively to a MW planar ring antenna. The characterization of the MW fields in the near-field is performed by an FFT imaging of Rabi oscillations, by using an ensemble of NV centers. We have found that the Rabi frequency over a lumped resonator is enhanced 22 times compared to the Rabi frequency without the presence of the lumped resonator. Our system may find applications in quantum information and magnetometry where a precise and controlled spin manipulation is required, showing NV centers as good candidates for imaging MW fields and characterization of MW devices.

    DOI: 10.1038/s41598-020-61669-w

    Web of Science

  5. Unusual Superconducting Proximity Effect in Magnetically Doped Topological Josephson Junctions Reviewed

    Rikizo Yano, Masao Koyanagi, Hiromi Kashiwaya, Kohei Tsumura, Hishiro T. Hirose, Yasuhiro Asano, Takao Sasagawa, and Satoshi Kashiwaya

    J. Phys. Soc. Jpn.   Vol. 89 ( 3 ) page: 34072   2020.3

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    The transport properties of a topological Josephson junction fabricated from a magnetically doped topological insulator (TI) were investigated. The conductance spectra of the Nb/Fe-Bi2Te2Se/Nb junction below 1 K showed an unusual trident-shaped zero-bias conductance peak with a tiny peak width of ∼6 µV. The central peak of the trident peak presents the dc-Josephson current, and the side peaks may reflect an induced unconventional Cooper pairing. Additionally, the critical currents followed inverse to temperature, which may also reflect the presence of an unconventional proximity effect. Furthermore, microwave irradiation drived a drastic change in the conductance spectra from the peak structure into oscillatory ones, a hallmark of the ac-Josephson supercurrent. The current-phase relation of the ac-Josephson effect under high power radiofrequency-irradiation was found to be 4π-periodic. The results suggest that the junction based on magnetically doped 3D TIs may realize an unconventional Cooper pairing, thus enabling access to the basic physics of Majorana bound states and unconventional superconductivity.

    DOI: 10.7566/JPSJ.89.034702

    Web of Science

  6. Time-reversal invariant superconductivity of Sr2RuO4 revealed by Josephson effects

    Kashiwaya S, Saitoh, K Kashiwaya H, Koyanagi, M, Sato, M, Yada, K, Tanaka, Y, Maeno, Y

    PHYSICAL REVIEW B   Vol. 100 ( 9 ) page: 094530   2019.9

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    Language:Japanese   Publishing type:Research paper (scientific journal)  

    Sr2RuO4 is one of the most promising candidates of a topological superconductor with broken time-reversal symmetry because a number of experiments have revealed evidence for a spin-triplet chiral p-wavesuperconductivity. To clarify the time-reversal symmetry of
    Sr2RuO4, we introduce a test that examines the invariance of the Josephson critical current under the inversion of both the current and magnetic fields, in contrast to the detection of a spontaneous magnetic field employed in past experiments. Analyses of the transport properties of the planar and corner Josephson junctions formed between
    Sr2RuO4 and Nb reveal the time-reversal invariant superconductivity, most probably helical
    p-wave symmetry, of Sr2RuO4. This state corresponds to a yet-to-be confirmed topological crystalline superconductivity that can host two Majorana edge modes at the surface protected by crystalline mirror symmetry.

    DOI: 10.1103/PhysRevB.100.094530

    Web of Science

  7. Sensitive measurement of phase shift of an AC magnetic field by quantum sensing with multiple-pulse decoupling sequences

    Ishikawa, T, Yoshizawa, A, Mawatari, Y, Kashiwaya, S, Watanabe, H

    JOURNAL OF APPLIED PHYSICS   Vol. 126 ( 6 ) page: 064504    2019.8

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    Language:Japanese   Publishing type:Research paper (scientific journal)  

    Magnetometry utilizing a spin qubit in a solid state possesses high sensitivity. In particular, a magnetic sensor with a high spatial resolution can be achieved with the electron-spin states of a nitrogen-vacancy (NV) center in the diamond. In this study, we demonstrated that NV quantum sensing based on multiple-pulse decoupling sequences can sensitively measure not only the amplitude but also the phase shift of an alternating-current (AC) magnetic field. In the AC magnetometry based on decoupling sequences, the maximum phase accumulation of the NV spin due to an AC-field can be generally obtained when the π-pulse period in the sequences matches the half time period of the field and the relative phase difference between the sequences and the field is zero. By contrast, the NV quantum sensor acquires no phase accumulation if the relative phase difference is π/2. Thus, this phase-accumulation condition does not have any advantage for the magnetometry. However, we revealed that the nonphase-accumulation condition is available for detecting a very small phase shift of an AC-field from its initial phase. Measurements of the real part and the imaginary part of AC impedance require the amplitude and the phase information of an AC-field, and thus, this finding is expected to provide a guide for realizing sensitive measurement of AC impedance in the micrometer and nanometer scales.
    I. INTRODUCTION

    DOI: 10.1063/1.5096610

    Web of Science

  8. Finite-pulse-width effect on quantum sensing for an asynchronous alternating-current magnetic field to dynamical decoupling sequences

    Ishikawa, T, Yoshizawa, A, Mawatari, Y, Kashiwaya, S, Watanabe, H

    AIP ADVANCES   Vol. 9 ( 7 ) page: 75013   2019.7

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    Language:Japanese   Publishing type:Research paper (scientific journal)  

    Quantum sensors based on the electron spin states of nitrogen vacancy centers in diamond have found wide application in magnetometry and nuclear spin magnetic resonance measurements. Previously, we have theoretically and experimentally investigated the effect of finite pulse width on quantum sensing for synchronous alternating-current (AC) magnetic fields to dynamical decoupling sequences [T. Ishikawa et al., Phys. Rev. Appl. 10, 054059 (2018)]. However, many biological and condensed-matter systems exhibit fluctuating AC fields over time, and thus, our model needs modifications because of additional non-ideal conditions in practical measurements. Here, we investigate the effects of finite pulse width of multiple-pulse decoupling sequences on quantum sensing for asynchronous AC magnetic fields. For this purpose, we use a spin ensemble of nitrogen vacancy centers in an isotopically purified diamond film. We reveal through experiments that the finite-width pulse causes shifts in AC magnetometry signals in a free-precession-time plot. In addition, our results indicate that the finite-width pulse affects the amplitude of magnetometry signals, implying that the finite-pulse-width effect should be taken into account for realizing accurate measurement of the frequency and amplitude of asynchronous AC magnetic fields.

    DOI: 10.1063/1.5097872

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  9. Proximity-Induced Superconducting States of Magnetically Doped 3D Topological Insulators with High Bulk Insulation Reviewed

    Rikizo Yano, Hishiro T. Hirose, Kohei Tsumura, Shuhei Yamamoto , Masao Koyanagi , Manabu Kanou , Hiromi Kashiwaya , Takao Sasagawa and Satoshi Kashiwaya

    Condens. Matter   Vol. 4 ( 1 ) page: 9-1-9   2019.1

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    We studied magnetized topological insulator/superconductor junctions with the
    expectation of unconventional superconductive states holding Majorana fermions induced by
    superconductive proximity effects on the surface states of magnetized topological insulators (TIs),
    attached by conventional superconductors. We introduced Fe-doped BiSbTe2Se as an ideal magnetic
    TI and used the developed junction fabrication process to access the proximity-induced surface
    superconducting states. The bulk single crystals of the Fe-doped TI showed excellent bulk-insulating
    properties and ferromagnetism simultaneously at a low temperature. Meanwhile, the fabricated
    junctions also showed an insulating behavior above 100 K, as well as metallic conduction at a low
    temperature, which reflects bulk carrier freezing. In addition, we observed a proximity-induced gap
    structure in the conductance spectra. These results indicate that the junctions using the established
    materials and process are preferable to observe unconventional superconducting states which are
    induced via the surface channels of the magnetized TI. We believe that the developed process can be
    applied for the fabrication of complicated junctions and suites for braiding operations

    DOI: https://doi.org/10.3390/condmat4010009

  10. Proximity-Induced Superconducting States of Magnetically Doped 3D Topological Insulators with High Bulk Insulation

    Yano Rikizo, Hirose Hishiro T., Tsumura Kohei, Yamamoto Shuhei, Koyanagi Masao, Kanou Manabu, Kashiwaya Hiromi, Sasagawa Takao, Kashiwaya Satoshi

    CONDENSED MATTER   Vol. 4 ( 1 )   2019.1

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    DOI: 10.3390/condmat4010009

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  11. Influence of Dynamical Decoupling Sequences with Finite-Width Pulses on Quantum Sensing for AC Magnetometry

    Ishikawa Toyofumi, Yoshizawa Akio, Mawatari Yasunori, Watanabe Hideyuki, Kashiwaya Satoshi

    PHYSICAL REVIEW APPLIED   Vol. 10 ( 5 )   2018.11

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevApplied.10.054059

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    Scopus

  12. Local impedance on a rough surface of a chiral p-wave superconductor

    Bakurskiy S. V, Fominov Ya V, Shevchun A. F., Asano Y., Tanaka Y., Kupriyanov M. Yu, Golubov A. A., Trunin M. R., Kashiwaya H., Kashiwaya S., Maeno Y.

    PHYSICAL REVIEW B   Vol. 98 ( 13 )   2018.10

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevB.98.134508

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  13. Extremely large magnetoresistance in a high-quality WTe2 grown by flux method

    Tsumura K., Yano R., Kashiwaya H., Koyanagi M., Masubuchi S., Machida T., Namiki H., Sasagawa T., Kashiwaya S.

    28TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT28)   Vol. 969   2018

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1088/1742-6596/969/1/012134

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  14. Magnetization measurements of Sr2RuO4-Ru eutectic microplates using dc-SQUIDs

    Nago Y., Sakuma D., Ishiguro R., Kashiwaya S., Nomura S., Kono K., Maeno Y., Takayanagi H.

    28TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT28)   Vol. 969   2018

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1088/1742-6596/969/1/012040

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  15. Investigation of the Vortex States of Sr2RuO4-Ru Eutectic Microplates Using DC-SQUIDs

    Sakuma Daisuke, Nago Yusuke, Ishiguro Ryosuke, Kashiwaya Satoshi, Nomura Shintaro, Kono Kimitoshi, Maeno Yoshiteru, Takayanagi Hideaki

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 86 ( 11 )   2017.11

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.7566/JPSJ.86.114708

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  16. Interplay of the Inverse Proximity Effect and Magnetic Field in Out-of-Equilibrium Single-Electron Devices

    Nakamura Shuji, Pashkin Yuri A., Taupin Mathieu, Maisi Ville F., Khaymovich Ivan M., Mel'nikov Alexander S., Peltonen Joonas T., Pekola Jukka P., Okazaki Yuma, Kashiwaya Satoshi, Kawabata Shiro, Vasenko Andrey S., Tsai Jaw-Shen, Kaneko Nobu-Hisa

    PHYSICAL REVIEW APPLIED   Vol. 7 ( 5 )   2017.5

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevApplied.7.054021

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  17. Josephson effect in a multiorbital model for Sr2RuO4

    Kawai Kohei, Yada Keiji, Tanaka Yukio, Asano Yasuhiro, Golubov Alexander A., Kashiwaya Satoshi

    PHYSICAL REVIEW B   Vol. 95 ( 17 )   2017.5

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevB.95.174518

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    Scopus

  18. Frequency modulation technique for wide-field imaging of magnetic field with nitrogen-vacancy ensembles

    Miura Yukihiro, Kashiwaya Satoshi, Nomura Shintaro

    JAPANESE JOURNAL OF APPLIED PHYSICS   Vol. 56 ( 4 )   2017.4

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    DOI: 10.7567/JJAP.56.04CK03

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  19. Magnetic field imaging of a tungsten carbide film by scanning nano-SQUID microscope

    Shibata Yusuke, Nomura Shintaro, Ishiguro Ryosuke, Kashiwaya Hiromi, Kashiwaya Satoshi, Nago Yusuke, Takayanagi Hideaki

    SUPERCONDUCTOR SCIENCE & TECHNOLOGY   Vol. 29 ( 10 )   2016.10

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1088/0953-2048/29/10/104004

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  20. Development of suspended normal-metal-type tunneling junction refrigerator

    Kashiwaya Satoshi, Kashiwaya Hiromi, Koyanagi Masao, Tanaka Yukio

    JAPANESE JOURNAL OF APPLIED PHYSICS   Vol. 55 ( 9 )   2016.9

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.7567/JJAP.55.093101

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  21. Evolution of supercurrent path in Nb/Ru/Sr2RuO4 dc-SQUIDs

    Nago Y., Ishiguro R., Sakurai T., Yakabe M., Nakamura T., Yonezawa S., Kashiwaya S., Takayanagi H., Maeno Y.

    PHYSICAL REVIEW B   Vol. 94 ( 5 )   2016.8

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevB.94.054501

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  22. Development of a Two-Dimensional Micro-SQUID Array for Investigation of Magnetization Spatial Distribution

    Sakuma Daisuke, Shinozaki Tomoya, Nago Yusuke, Ishiguro Ryosuke, Kashiwaya Satoshi, Nomura Shintaro, Kono Kimitoshi, Takayanagi Hideaki

    JOURNAL OF LOW TEMPERATURE PHYSICS   Vol. 183 ( 3-4 ) page: 300-306   2016.5

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1007/s10909-016-1556-2

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  23. Development of Magnetization Measurement Devices Using Micro-dc-SQUIDs and a SrRuO Microplate

    Nago Y., Shinozaki T., Tsuchiya S., Ishiguro R., Kashiwaya H., Kashiwaya S., Nomura S., Kono K., Takayanagi H., Maeno Y.

    JOURNAL OF LOW TEMPERATURE PHYSICS   Vol. 183 ( 3-4 ) page: 292-299   2016.5

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1007/s10909-016-1530-z

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  24. Inversion symmetry of Josephson current as test of chiral domain wall motion in Sr2RuO4

    Saitoh Kohta, Kashiwaya Satoshi, Kashiwaya Hiromi, Mawatari Yasunori, Asano Yasuhiro, Tanaka Yukio, Maeno Yoshiteru

    PHYSICAL REVIEW B   Vol. 92 ( 10 )   2015.9

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevB.92.100504

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  25. Magnetization of a Mesoscopic Superconducting Sr2RuO4 Plate on Micro-dc-SQUIDs

    Tsuchiya Shogo, Matsuno Misa, Ishiguro Ryosuke, Kashiwaya Hiromi, Kashiwaya Satoshi, Nomura Shintaro, Takayanagi Hideaki, Maeno Yoshiteru

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 83 ( 9 )   2014.9

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    DOI: 10.7566/JPSJ.83.094715

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  26. Microscopic Theory of Tunneling Spectroscopy in Sr2RuO4

    Yada Keiji, Golubov Alexander A., Tanaka Yukio, Kashiwaya Satoshi

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 83 ( 7 )   2014.7

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    DOI: 10.7566/JPSJ.83.074706

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  27. Tunneling spectroscopy of topological superconductors

    Kashiwaya Satoshi, Kashiwaya Hiromi, Saitoh Kohta, Mawatari Yasunori, Tanaka Yukio

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES   Vol. 55   page: 25-29   2014.1

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    DOI: 10.1016/j.physe.2013.07.016

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  28. Broken time-reversal symmetry in a SQUID based on chiral superconducting Sr2RuO4

    Ishiguro R., Sakurai T., Yakabe M., Nakamura T., Yonezawa S., Kashiwaya S., Takayanagi H., Maeno Y.

    27TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT27), PTS 1-5   Vol. 568   2014

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1088/1742-6596/568/2/022020

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  29. Development of nano and micro SQUIDs based on Al tunnel junctions

    Ishiguro Ryosuke, Watanabe Eiichiro, Sakuma Daisuke, Shinozaki Tomoya, Tsuchiya Shogo, Nago Yusuke, Osato Hirotaka, Tsuya Daiju, Kashiwaya Hiromi, Kashiwaya Satoshi, Nomura Shintaro, Takayanagi Hideaki, Maeno Yoshiteru

    27TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT27), PTS 1-5   Vol. 568   2014

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    DOI: 10.1088/1742-6596/568/2/022019

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  30. Superconducting transition of Ru in SQUIDs with Nb/Ru/Sr2RuO4 junctions

    Nago Y., Ishiguro R., Sakurai T., Yakabe M., Nakamura T., Yonezawa S., Kashiwaya S., Takayanagi H., Maeno Y.

    27TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT27), PTS 1-5   Vol. 568   2014

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1088/1742-6596/568/2/022031

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  31. Anomalous Josephson current in superconducting topological insulator

    Yamakage Ai, Sato Masatoshi, Yada Keiji, Kashiwaya Satoshi, Tanaka Yukio

    PHYSICAL REVIEW B   Vol. 87 ( 10 )   2013.3

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    DOI: 10.1103/PhysRevB.87.100510

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  32. Crystal growth and physical properties of the noncentrosymmetric superconductor PdBi

    Okawa K., Kanou M., Katagiri T., Kashiwaya H., Kashiwaya S., Sasagawa T.

    PROCEEDINGS OF THE 25TH INTERNATIONAL SYMPOSIUM ON SUPERCONDUCTIVITY (ISS2012)   Vol. 45   page: 101-104   2013

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    DOI: 10.1016/j.phpro.2013.04.062

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  33. High-Supercurrent-Density Contacts and Josephson Effect of Strontium Ruthenate

    Saitoh Kohta, Kashiwaya Satoshi, Kashiwaya Hiromi, Koyanagi Masao, Mawatari Yasunori, Tanaka Yukio, Maeno Yoshiteru

    APPLIED PHYSICS EXPRESS   Vol. 5 ( 11 )   2012.11

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    DOI: 10.1143/APEX.5.113101

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  34. Near-Field Optical Mapping of Quantum Hall Edge States

    Ito H., Furuya K., Shibata Y., Kashiwaya S., Yamaguchi M., Akazaki T., Tamura H., Ootuka Y., Nomura S.

    PHYSICAL REVIEW LETTERS   Vol. 107 ( 25 )   2011.12

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    DOI: 10.1103/PhysRevLett.107.256803

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  35. Fabrication of weak-link Nb-based nano-SQUIDs by FIB process

    Matsumoto T., Kashiwaya H., Shibata H., Takayanagi H., Nomura S., Kashiwaya S.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 471 ( 21-22 ) page: 1246-1248   2011.11

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.physc.2011.05.170

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  36. Local transport characteristics of break junction in Sr2RuO4 microbridge

    Kambara H., Kashiwaya S., Kashiwaya H., Tanaka Y., Maeno Y.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 471 ( 21-22 ) page: 708-710   2011.11

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.physc.2011.05.033

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  37. Macroscopic quantum tunneling induced by a spontaneous field in intrinsic Josephson junctions

    Chizaki Y., Kashiwaya H., Kashiwaya S., Koyama T., Kawabata S.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 471 ( 21-22 ) page: 758-759   2011.11

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.physc.2011.05.046

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  38. Tunneling Hamiltonian description of the atomic-scale 0-pi transition in superconductor/ferromagnetic-insulator junctions

    Kawabata S., Tanaka Y., Golubov A. A., Vasenko A. S., Kashiwaya S., Asano Y.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 471 ( 21-22 ) page: 1199-1201   2011.11

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.physc.2011.05.158

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  39. Edge States of Sr2RuO4 Detected by In-Plane Tunneling Spectroscopy

    Kashiwaya Satoshi, Kashiwaya Hiromi, Kambara Hiroshi, Furuta Tsuyoshi, Yaguchi Hiroshi, Tanaka Yukio, Maeno Yoshiteru

    PHYSICAL REVIEW LETTERS   Vol. 107 ( 7 )   2011.8

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    DOI: 10.1103/PhysRevLett.107.077003

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  40. An Operation Circuit of a Micro-SQUID Magnetometer below 1 K

    Yamaguchi A., Wada M., Tani R., Takeda K., Matsumoto T., Kashiwaya H., Motoyama G., Kashiwaya S., Ohkoshi S., Sumiyama A.

    JOURNAL OF LOW TEMPERATURE PHYSICS   Vol. 162 ( 5-6 ) page: 748-753   2011.3

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    DOI: 10.1007/s10909-010-0255-7

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  41. Real-space mapping of compressible and incompressible strips by a near-field scanning optical microscope

    Ito H., Furuya K., Shibata Y., Ootuka Y., Nomura S., Kashiwaya S., Yamaguchi M., Tamura H., Akazaki T.

    PHYSICS OF SEMICONDUCTORS: 30TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS   Vol. 1399   2011

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    DOI: 10.1063/1.3666522

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  42. Effect of strong coupling on collective macroscopic quantum tunneling in intrinsic Josephson junctions

    Kawabata Shiro, Kashiwaya Hiromi, Kashiwaya Satoshi

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 470   page: S848-S850   2010.12

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    DOI: 10.1016/j.physc.2010.01.045

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  43. Fabrication and transport properties of Sr2RuO4 microdevices

    Kashiwaya S., Kambara H., Kashiwaya H., Furuta T., Yaguchi H., Asano Y., Tanaka Y., Maeno Y.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 470   page: S736-S737   2010.12

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    DOI: 10.1016/j.physc.2010.02.007

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  44. MAPPING OF QUANTUM-HALL EDGE CHANNELS BY A DILUTION-REFRIGERATOR BASED NEAR-FIELD SCANNING OPTICAL MICROSCOPE

    Ito H., Furuya K., Shibata Y., Ootuka Y., Nomura S., Kashiwaya S., Yamaguchi M., Tamura H., Akazaki T.

    JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS   Vol. 19 ( 4 ) page: 563-569   2010.12

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    DOI: 10.1142/S0218863510005467

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  45. Unconventional transport characteristics of p-wave superconducting junctions in Sr2RuO4-Ru eutectic system

    Kambara H., Kashiwaya S., Yaguchi H., Asano Y., Tanaka Y., Maeno Y.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 470   page: S685-S687   2010.12

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    DOI: 10.1016/j.physc.2010.02.013

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  46. Local transport properties of PrFeAsO0.7 using FIB micro-fabrication technique

    Shirai K., Kashiwaya H., Miura S., Ishikado M., Eisaki H., Iyo A., Kurosawa I., Kashiwaya S.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 470 ( 20 ) page: 1473-1476   2010.11

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    DOI: 10.1016/j.physc.2010.05.141

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  47. Thermally induced 0-pi phase transition in Josephson junctions through a ferromagnetic oxide film

    Kawabata S., Asano Y., Golubov A. A., Tanaka Y., Kashiwaya S.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 470 ( 20 ) page: 1496-1498   2010.11

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    DOI: 10.1016/j.physc.2010.05.147

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  48. DC Current Driven Critical Current Variation in Sr2RuO4-Ru Junction Proved by Local Transport Measurements

    Kambara Hiroshi, Matsumoto Tetsuro, Kashiwaya Hiromi, Kashiwaya Satoshi, Yaguchi Hiroshi, Asano Yasuhiro, Tanaka Yukio, Maeno Yoshiteru

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 79 ( 7 )   2010.7

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    DOI: 10.1143/JPSJ.79.074708

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  49. C-axis critical current of a PrFeAsO0.7 single crystal

    Kashiwaya H., Shirai K., Matsumoto T., Shibata H., Kambara H., Ishikado M., Eisaki H., Iyo A., Shamoto S., Kurosawa I., Kashiwaya S.

    APPLIED PHYSICS LETTERS   Vol. 96 ( 20 )   2010.5

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    DOI: 10.1063/1.3427464

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  50. Josephson pi State in a Ferromagnetic Insulator

    Kawabata Shiro, Asano Yasuhiro, Tanaka Yukio, Golubov Alexander A., Kashiwaya Satoshi

    PHYSICAL REVIEW LETTERS   Vol. 104 ( 11 )   2010.3

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    DOI: 10.1103/PhysRevLett.104.117002

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  51. Theory of Josephson transport through spintronics nano-structures

    Kawabata Shiro, Asano Yasuhiro, Tanaka Yukio, Kashiwaya Satoshi

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES   Vol. 42 ( 4 ) page: 1010-1013   2010.2

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    DOI: 10.1016/j.physe.2009.11.102

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  52. A tunneling Hamiltonian theory of 0-pi transition in d-wave superconductor/ferromagnetic-insulator heterostructures

    Kawabata Shiro, Kashiwaya Satoshi, Tanaka Yukio, Golubov Alexander A., Asano Yasuhiro

    INTERNATIONAL CONFERENCE ON THEORETICAL PHYSICS DUBNA-NANO 2010   Vol. 248   2010

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    DOI: 10.1088/1742-6596/248/1/012039

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  53. Multi-Junction Switching in Bi2Sr1.6La0.4CuO6+delta Intrinsic Josephson Junctions

    Kashiwaya Hiromi, Matsumoto Tetsuro, Shibata Hajime, Eisaki Hiroshi, Yoshida Yoshiyuki, Kambara Hiroshi, Kawabata Shiro, Kashiwaya Satoshi

    APPLIED PHYSICS EXPRESS   Vol. 3 ( 4 )   2010

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    DOI: 10.1143/APEX.3.043101

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  54. Chiral superconducting phase transition in 3-K phase of Sr2RuO4

    Kambara H., Kashiwaya S., Yaguchi H., Asano Y., Tanaka Y., Maeno Y.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 469 ( 15-20 ) page: 1030-1033   2009

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    DOI: 10.1016/j.physc.2009.05.176

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  55. Effect of d-f hybridization on the Josephson current through Eu-chalcogenides

    Kawabata S., Asano Y., Tanaka Y., Kashiwaya S.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 469 ( 15-20 ) page: 1621-1623   2009

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    DOI: 10.1016/j.physc.2009.05.084

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  56. Switching dynamics and MQT in Bi2201 intrinsic Josephson junctions

    Kashiwaya H., Matsumoto T., Shibata H., Eisaki H., Yoshida Y., Kawabata S., Tanaka Y., Kashiwaya S.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 469 ( 15-20 ) page: 1593-1595   2009

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    DOI: 10.1016/j.physc.2009.05.217

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  57. SWITCHING DYNAMICS IN STRONGLY COUPLED JOSEPHSON JUNCTIONS

    Kashiwaya H., Matsumoto T., Shibata H., Kawabata S., Kashiwaya S.

    PROCEEDINGS OF THE 9TH INTERNATIONAL SYMPOSIUM ON FOUNDATIONS OF QUANTUM MECHANICS IN THE LIGHT OF NEW TECHNOLOGY     page: 337-340   2009

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  58. Anomalous Transport through the p-Wave Superconducting Channel in the 3-K Phase of Sr2RuO4

    Kambara Hiroshi, Kashiwaya Satoshi, Yaguchi Hiroshi, Asano Yasuhiro, Tanaka Yukio, Maeno Yoshiteru

    PHYSICAL REVIEW LETTERS   Vol. 101 ( 26 )   2008.12

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    DOI: 10.1103/PhysRevLett.101.267003

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  59. Polarization-induced two-dimensional electron gases in ZnMgO/ZnO heterostructures

    Tampo H., Shibata H., Maejima K., Yamada A., Matsubara K., Fons P., Kashiwaya S., Niki S., Chiba Y., Wakamatsu T., Kanie H.

    APPLIED PHYSICS LETTERS   Vol. 93 ( 20 )   2008.11

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    DOI: 10.1063/1.3028338

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  60. Fabrication of Ultrasmall High-Quality Bi2Sr2CaCu2O8+delta Intrinsic Josephson Junctions

    Matsumoto Tetsuro, Kashiwaya Hiromi, Shibata Hajime, Eisaki Hiroshi, Yoshida Yoshiyuki, Kashiwaya Satoshi

    APPLIED PHYSICS EXPRESS   Vol. 1 ( 10 )   2008.10

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    DOI: 10.1143/APEX.1.101701

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  61. Switching Dynamics of Bi2Sr2CaCu2O8+delta Intrinsic Josephson Junctions: Macroscopic Quantum Tunneling and Self-Heating Effect

    Kashiwaya Hiromi, Matsumoto Tetsuro, Shibata Hajime, Kashiwaya Satoshi, Eisaki Hiroshi, Yoshida Yoshiuki, Kawabata Shiro, Tanaka Yukio

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 77 ( 10 )   2008.10

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    DOI: 10.1143/JPSJ.77.104708

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  62. Fabrication of intrinsic Josephson junction of bismuth-based cuprates

    Matsumoto T., Kashiwaya H., Shibata H., Eisaki H., Yoshida Y., Yamaguchi H., Kashiwaya S.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 468 ( 15-20 ) page: 1916-1918   2008.9

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    DOI: 10.1016/j.physc.2008.05.162

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  63. Possible observation of energy level quantization in an intrinsic Josephson junction

    Kashiwaya H., Matsumoto T., Kashiwaya S., Shibata H., Eisaki H., Yoshida Y., Kawabata S., Tanaka Y.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 468 ( 15-20 ) page: 1919-1921   2008.9

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    DOI: 10.1016/j.physc.2008.05.251

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  64. Cooper pair transport and macroscopic quantum dynamics in Josephson junctions through ferromagnetic insulators

    Kawabata Shiro, Asano Yasuhiro, Tanaka Yukio, Kashiwaya Satoshi, Golubov Alexander A.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 468 ( 7-10 ) page: 701-704   2008.4

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    DOI: 10.1016/j.physc.2007.11.069

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  65. QUANTUM DISSIPATION DUE TO THE ZERO ENERGY BOUND STATES IN HIGH-T-C SUPERCONDUCTOR JUNCTIONS

    Kawabata S., Kashiwaya S., Asano Y., Tanaka Y., Kato T., Golubov A. A.

    CONTROLLABLE QUANTUM STATES: MESOSCOPIC SUPERCONDUCTIVITY AND SPRINTRONICS     page: 143-+   2008

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  66. Andreev bound states in dirty unconventional superconductor junctions

    Kashiwaya S., Matsumoto T., Kashiwaya H., Yaguchi H., Maeno Y., Tanaka Y., Asano Y.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 463   page: 14-18   2007.10

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    DOI: 10.1016/j.physc.2007.01.035

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  67. Theory of macroscopic quantum coherence in d-wave superconductor junctions

    Umeki T., Kato T., Yokoyama T., Tanaka Y., Kawabata S., Kashiwaya S.

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 463   page: 157-160   2007.10

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    DOI: 10.1016/j.physc.2007.04.322

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  68. Ubiquitous presence of odd-frequency pairing state in superconducting junctions

    Golubov A. A., Tanaka Y., Kashiwaya S., Ueda M.

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES   Vol. 40 ( 1 ) page: 163-168   2007.10

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    DOI: 10.1016/j.physe.2007.05.004

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  69. Anomalous Josephson current by odd frequency Cooper pairs

    Asano Yasuhiro, Tanaka Yukio, Kashiwaya Satoshi

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 460   page: 1327-1328   2007.9

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    DOI: 10.1016/j.physc.2007.04.029

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  70. MQT observation in Bi2212 intrinsic Josephson junctions

    Kashiwaya Satoshi, Matsumoto Tetsuro, Kashiwaya Hiromi, Shibata Hajime, Eisaki Hiroshi, Yoshida Yoshiyuki, Kawabata Shiro, Tanaka Yukio

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 460   page: 1432-1433   2007.9

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    DOI: 10.1016/j.physc.2007.04.158

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  71. Quantum dissipative dynamics in nanostructure d-wave Josephson junctions

    Kawabata Shiro, Golubov Alexander A., Tanaka Yukio, Kashiwaya Satoshi

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 460   page: 1479-1480   2007.9

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    DOI: 10.1016/j.physc.2007.04.002

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  72. Conductance spectroscopy of spin-triplet superconductors

    Asano Yasuhiro, Tanaka Yukio, Golubov Alexander A., Kashiwaya Satoshi

    PHYSICAL REVIEW LETTERS   Vol. 99 ( 6 )   2007.8

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    DOI: 10.1103/PhysRevLett.99.067005

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  73. Anomalous josephson effect between even- and odd-frequency superconductors

    Tanaka Yukio, Golubov Alexander A., Kashiwaya Satoshi, Ueda Masahito

    PHYSICAL REVIEW LETTERS   Vol. 99 ( 3 )   2007.7

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    DOI: 10.1103/PhysRevLett.99.037005

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  74. Measurement system for switching current distribution in intrinsic Josephson junctions

    Kashiwaya Hiromi, Matsumoto Tetsuro, Shibata Hajime, Tani Kiyoe, Kashiwaya Satoshi

    IEICE TRANSACTIONS ON ELECTRONICS   Vol. E90C ( 3 ) page: 605-606   2007.3

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    DOI: 10.1093/ietele/e90-c.3.605

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  75. Theory of tunneling spectroscopy in the Larkin-Ovchinnikov state

    Tanaka Yukio, Asano Yasuhiro, Ichioka Masanori, Kashiwaya Satoshi

    PHYSICAL REVIEW LETTERS   Vol. 98 ( 7 )   2007.2

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    DOI: 10.1103/PhysRevLett.98.077001

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  76. Experimental study of macroscopic quantum tunnelling in Bi2212 intrinsic Josephson junctions

    Matsumoto Tetsuro, Kashiwaya Hiromi, Shibata Hajime, Kashiwaya Satoshi, Kawabata Shiro, Eisaki Hiroshi, Yoshida Yoshiyuki, Tanaka Yukio

    SUPERCONDUCTOR SCIENCE & TECHNOLOGY   Vol. 20 ( 2 ) page: S10-S13   2007.2

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    DOI: 10.1088/0953-2048/20/2/S03

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  77. Theory of macroscopic quantum tunnelling and dissipation in high-T-c Josephson junctions

    Kawabata Shiro, Kashiwaya Satoshi, Asano Yasuhiro, Tanaka Yukio, Kato Takeo, Golubov Alexander A.

    SUPERCONDUCTOR SCIENCE & TECHNOLOGY   Vol. 20 ( 2 ) page: S6-S9   2007.2

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    DOI: 10.1088/0953-2048/20/2/S02

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  78. Macroscopic quantum dynamics of pi junctions with ferromagnetic insulators

    Kawabata Shiro, Kashiwaya Satoshi, Asano Yasuhiro, Tanaka Yukio, Golubov Alexander A.

    PHYSICAL REVIEW B   Vol. 74 ( 18 )   2006.11

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    DOI: 10.1103/PhysRevB.74.180502

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  79. Influence of the quasiparticle lifetime effect on local tunneling spectra of high-T-c superconductors

    Kashiwaya Satoshi, Sugimoto Akira, Eisaki Hiroshi, Matsumoto Tersuro, Kashiwaya Hiromi, Tanaka Yukio

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 445   page: 146-149   2006.10

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    DOI: 10.1016/j.physc.2006.03.103

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  80. Enhancement of electronic inhomogeneities due to out-of-plane disorder in Bi2Sr2CuO6+delta superconductors observed by scanning tunneling spectroscopy

    Sugimoto A., Kashiwaya S., Eisaki H., Kashiwaya H., Tsuchiura H., Tanaka Y., Fujita K., Uchida S.

    PHYSICAL REVIEW B   Vol. 74 ( 9 )   2006.9

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    DOI: 10.1103/PhysRevB.74.094503

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  81. Josephson current through superconductor/diffusive-normal-metal/superconductor junctions: Interference effects governed by pairing symmetry

    Asano Yasuhiro, Tanaka Yukio, Yokoyama Takehito, Kashiwaya Satoshi

    PHYSICAL REVIEW B   Vol. 74 ( 6 )   2006.8

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    DOI: 10.1103/PhysRevB.74.064507

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  82. Theory of the proximity effect at the interface of a normal metal and triplet p-wave superconductor in the clean limit

    Tanuma Y., Tanaka Y., Kashiwaya S.

    PHYSICAL REVIEW B   Vol. 74 ( 2 )   2006.7

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    DOI: 10.1103/PhysRevB.74.024506

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  83. Growth and morphology of c-axis oriented Nd1.85Ce0.15CuO4-y thin films prepared by pulsed laser deposition technique

    Prijamboedi B., Kashiwaya S.

    JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS   Vol. 17 ( 7 ) page: 483-488   2006.7

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    DOI: 10.1007/s10854-006-8222-4

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  84. Theory of macroscopic quantum tunneling in high-T-c cuprate

    Kawabata Shiro, Tanaka Yukio, Kashiwaya Satoshi, Asano Yasuhiro

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 437-38   page: 140-144   2006.5

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    DOI: 10.1016/j.physc.2006.03.008

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  85. Theory of superconducting pi-qubit with a ferromagnetic insulator

    Kawabata Shiro, Kashiwaya Satoshi, Asano Yasuhiro, Tanaka Yukio

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 437-38   page: 136-139   2006.5

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    DOI: 10.1016/j.physc.2006.03.004

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  86. Theory of charge transport in high-T-C superconductor junctions from the view point of the mid gap Andreev resonant state

    Tanaka Y, Kashiwaya S, Asano Y, Yokoyama T

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 435 ( 1-2 ) page: 1-7   2006.3

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    DOI: 10.1016/j.physc.2006.01.007

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  87. Anomalous Josephson effect in p-wave dirty junctions

    Asano Y, Tanaka Y, Kashiwaya S

    PHYSICAL REVIEW LETTERS   Vol. 96 ( 9 )   2006.3

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    DOI: 10.1103/PhysRevLett.96.097007

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  88. Anomalous features of the proximity effect in triplet superconductors (vol 72, pg 140503, 2005)

    Tanaka Y, Asano Y, Golubov AA, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 73 ( 5 )   2006.2

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    DOI: 10.1103/PhysRevB.73.059901

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  89. Tunneling study based on the circuit theory in d-wave superconductors

    Shigeta I, Asano Y, Tanaka Y, Ichikawa F, Kashiwaya S

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 67 ( 1-3 ) page: 175-177   2006

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    DOI: 10.1016/j.jpcs.2005.10.096

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  90. Interface density of states in d-wave superconducting proximity effect through Andreev reflections

    Tanuma Y, Tanaka Y, Kashiwaya S

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 67 ( 1-3 ) page: 132-135   2006

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    DOI: 10.1016/j.jpcs.2005.10.034

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  91. Theory of anomalous charge transport and proximity effect in diffusive normal metal/triplet superconductor junctions

    Tanaka Y, Kashiwaya S

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 67 ( 1-3 ) page: 88-90   2006

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    DOI: 10.1016/j.jpcs.2005.10.001

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  92. Theoretical study of magneto-tunneling spectroscopy in high-T-c superconductors

    Asano Y, Tanaka Y, Kashiwaya S

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 67 ( 1-3 ) page: 178-181   2006

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    DOI: 10.1016/j.jpcs.2005.10.097

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  93. Electronic inhomogeneity as a function of out-of-plane disorder in Ln-doped Bi2201 superconductors

    Sugimoto A., Kashiwaya S., Eisaki H., Kashiwaya H., Tsuchiura H., Tanaka Y., Fujita K., Uchida S.

    LOW TEMPERATURE PHYSICS, PTS A AND B   Vol. 850   page: 507-+   2006

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  94. Influences of energy dependent quasiparticle lifetime effect on tunneling spectra of high-T-c superconductors

    Kashiwaya Satoshi, Sugimoto Akira, Kashiwaya Hiromi, Matsumoto Tetsuro, Eisaki Hiroshi, Koyanagi Masao, Tsuchiura Hiroki, Tanaka Yukio

    LOW TEMPERATURE PHYSICS, PTS A AND B   Vol. 850   page: 523-+   2006

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  95. Theory of charge transport in diffusive normal metal/unconventional superconductor junctions

    Tanaka Y, Asano Y, Kashiwaya S

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 67 ( 1-3 ) page: 108-111   2006

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    DOI: 10.1016/j.jpcs.2005.11.004

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  96. Spin-polarized tunneling spectroscopy of YBCO/LSMO tunnel junction

    Kashiwaya Hiromi, Ikeda Kaori, Prijamboedi Bambang, Kashiwaya Satoshi, Sugimoto Akira, Kurosawa Itaru, Tanaka Yukio

    LOW TEMPERATURE PHYSICS, PTS A AND B   Vol. 850   page: 879-+   2006

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  97. Proximity effect in dirty normal metals attached to p and d wave superconductors

    Asano Y, Tanaka Y, Kashiwaya S, Itoh H, Inoue J

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 67 ( 1-3 ) page: 77-80   2006

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    DOI: 10.1016/j.jpcs.2005.10.055

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  98. Macroscopic quantum tunneling and dissipation in c-axis twist Josephson junctions

    Kawabata S, Asano Y, Kashiwaya S, Tanaka Y

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 67 ( 1-3 ) page: 120-122   2006

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    DOI: 10.1016/j.jpcs.2005.10.110

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  99. Tunneling spectra of high-T-c superconductors with d density wave order

    Asano Y, Tanaka Y, Tsuchiura H, Kashiwaya S

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 67 ( 1-3 ) page: 186-188   2006

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    DOI: 10.1016/j.jpcs.2005.10.100

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  100. Zeeman magnetic field responses of d-wave superconductors observed by tunneling spectroscopy

    Kashiwaya H, Kashiwaya S, Prijamboedi B, Sugimoto A, Kurosawa I, Ikeda K, Asano Y, Tanaka Y

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 67 ( 1-3 ) page: 350-352   2006

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    DOI: 10.1016/j.jpcs.2005.10.062

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  101. Quasiparticle dissipation in the measurement process of phase qubit using high-T-c superconductors

    Kawabata S, Kashiwaya S, Asano Y, Tanaka Y

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES   Vol. 29 ( 3-4 ) page: 669-673   2005.11

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    DOI: 10.1016/j.physe.2005.06.051

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  102. Correlation between modulation structure and electronic inhomogeneity on Pb-doped Bi-2212 single crystals

    Sugimoto A, Kashiwaya S, Eisaki H, Yamaguchi H, Oka K, Kashiwaya H, Tsuchiura H, Tanaka Y

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 426   page: 390-395   2005.10

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    DOI: 10.1016/j.physc.2005.01.036

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  103. Anomalous features of the proximity effect in triplet superconductors

    Tanaka Y, Asano Y, Golubov AA, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 72 ( 14 )   2005.10

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    DOI: 10.1103/PhysRevB.72.140503

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  104. Effect of zero-energy bound states on macroscopic quantum tunneling in high-T-c superconductor junctions

    Kawabata S, Kashiwaya S, Asano Y, Tanaka Y

    PHYSICAL REVIEW B   Vol. 72 ( 5 )   2005.8

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    DOI: 10.1103/PhysRevB.72.052506

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  105. Josephson interferometer in a ring topology as a proof of the symmetry of Sr2RuO4

    Asano Y, Tanaka Y, Sigrist M, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 71 ( 21 )   2005.6

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    DOI: 10.1103/PhysRevB.71.214501

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  106. Theory of enhanced proximity effect by midgap Andreev resonant state in diffusive normal-metal/triplet superconductor junctions

    Tanaka Y, Kashiwaya S, Yokoyama T

    PHYSICAL REVIEW B   Vol. 71 ( 9 )   2005.3

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    DOI: 10.1103/PhysRevB.71.094513

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  107. Macroscopic quantum tunneling in d-wave superconductor Josephson

    Kawabata S, Kashiwaya S, Asano Y, Tanaka Y

    Realizing Controllable Quantum States     page: 173-178   2005

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  108. Zero-bias conductance peak reduction by diffusive normal metal in high-T-c superconductor tunnel junctions

    Shigeta I, Tanaka Y, Ichikawa F, Asano Y, Kashiwaya S

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 66 ( 8-9 ) page: 1401-1404   2005

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    DOI: 10.1016/j.jpcs.2005.05.018

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  109. Theory of charge transport in diffusive normal metal/unconventional singlet superconductor contacts (vol B 69, art no 144519, 2004)

    Tanaka Y, Nazarov YV, Golubov AA, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 70 ( 21 )   2004.12

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    DOI: 10.1103/PhysRevB.70.219907

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  110. Conductance in normal-metal/PrOs4Sb12

    Asano Y, Tanaka Y, Matsuda Y, Tsuchiura H, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 412   page: 235-239   2004.10

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    DOI: 10.1016/j.physc.2004.01.049

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  111. Study of the tunneling effect on quasi-2D organic superconductors kappa-(ET)(2)X

    Tanuma Y, Kuroki K, Tanaka Y, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 412   page: 178-181   2004.10

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    DOI: 10.1016/j.physc.2003.12.034

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  112. Josephson effect in quasi one-dimensional superconductors (TMTSF)(2)X

    Asano Y, Tanuma Y, Tanaka Y, Kuroki K, Tsuchiura H, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 412   page: 212-216   2004.10

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    DOI: 10.1016/j.physc.2003.12.032

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  113. STM/STS observations of Pb-doped Bi-2212 single crystals

    Sugimoto A, Kashiwaya S, Eisaki H, Oka K, Tuchiura H, Tanaka Y

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 412   page: 270-274   2004.10

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    DOI: 10.1016/j.physc.2004.01.050

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  114. Mesoscopic fluctuations of Josephson current in high-T-c superconductor junctions

    Sakamoto K, Asano Y, Tanaka Y, Tsuchiura H, Inoue J, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 412   page: 221-224   2004.10

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    DOI: 10.1016/j.physc.2003.12.069

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  115. Magnetic field tunneling spectroscopy of YBa2Cu3O7-delta/La0.67Sr0.33MnO3 junctions

    Kashiwaya H, Kashiwaya S, Prijamboedi B, Ikeda K, Kurosawa I, Tsuchiura H, Tanaka Y

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 412   page: 275-278   2004.10

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    DOI: 10.1016/j.physc.2004.01.051

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  116. Macroscopic quantum tunneling and quasiparticle dissipation in d-wave superconductor Josephson junctions

    Kawabata S, Kashiwaya S, Asano Y, Tanaka Y

    PHYSICAL REVIEW B   Vol. 70 ( 13 )   2004.10

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    DOI: 10.1103/PhysRevB.70.132505

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  117. Tunneling effect in triangular lattice superconductor NaxCoO2

    Asano Y, Tanaka Y, Kuroki K, Tanuma Y, Tsuchiura H, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 412   page: 187-191   2004.10

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    DOI: 10.1016/j.physc.2003.12.035

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  118. Zero-bias peak in tunneling superconductors and spectra of high-T-c its splitting

    Asano Y, Sekiguchi R, Tanaka Y, Tsuchiura H, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 412   page: 157-161   2004.10

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    DOI: 10.1016/j.physc.2004.01.039

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  119. Anomalous magnetic-field tunneling of YBa2Cu3O7-delta junctions: Possible detection of non-Fermi-liquid states

    Kashiwaya H, Kashiwaya S, Prijamboedi B, Sawa A, Kurosawa I, Tanaka Y, Iguchi I

    PHYSICAL REVIEW B   Vol. 70 ( 9 )   2004.9

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    DOI: 10.1103/PhysRevB.70.094501

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  120. Split of zero-bias conductance peak in normal-metal/d-wave superconductor junctions

    Asano Y, Tanaka Y, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 69 ( 21 )   2004.6

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    DOI: 10.1103/PhysRevB.69.214509

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  121. Phenomenological theory of zero-energy Andreev resonant states

    Asano Y, Tanaka Y, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 69 ( 13 )   2004.4

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    DOI: 10.1103/PhysRevB.69.134501

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  122. Theory of charge transport in diffusive normal metal/unconventional singlet superconductor contacts

    Tanaka Y, Nazarov YV, Golubov AA, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 69 ( 14 )   2004.4

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    DOI: 10.1103/PhysRevB.69.144519

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  123. Quasi-particle dissipation in d-wave superconductor phase qubit

    Kawabata S, Kashiwaya S, Asano Y, Tanaka Y

    QUANTUM COMMUNICATION, MEASUREMENT AND COMPUTING   Vol. 734   page: 421-423   2004

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  124. Impurity scattering effect on charge transport in high-T-c cuprate junctions

    Tanaka Y, Asano Y, Kashiwaya S

    LOW TEMPERATURE PHYSICS   Vol. 30 ( 7-8 ) page: 579-590   2004

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    DOI: 10.1063/1.1789915

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  125. A theoretical study of tunneling conductance in PrOs4Sb12 superconducting junctions

    Asano Y, Tanaka Y, Matsuda Y, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 68 ( 18 )   2003.11

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    DOI: 10.1103/PhysRevB.68.184506

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  126. Effect of the randomness on the electron transport in normal metal/insulator/conventional superconductor junctions

    Tanaka Y, Kitaura N, Itoh H, Inoue J, Golubov A, Yoshida N, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 392   page: 249-253   2003.10

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    DOI: 10.1016/S0921-4534(03)01096-7

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  127. Possible anomalous Doppler shift effect in superconductor Sr2RuO4

    Tanaka Y, Kuroki K, Tanuma Y, Kashiwaya S

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 72 ( 9 ) page: 2157-2160   2003.9

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    DOI: 10.1143/JPSJ.72.2157

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  128. Josephson effect in d-wave superconductor junctions in a lattice model

    Shirai S, Tsuchiura H, Asano Y, Tanaka Y, Inoue J, Tanuma Y, Kashiwaya S

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 72 ( 9 ) page: 2299-2307   2003.9

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    DOI: 10.1143/JPSJ.72.2299

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  129. Observation of phase-coherent transport in d-wave junctions

    Kashiwaya H, Kurosawa I, Kashiwaya S, Sawa A, Tanaka Y

    PHYSICAL REVIEW B   Vol. 68 ( 5 )   2003.8

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    DOI: 10.1103/PhysRevB.68.054527

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  130. Electronic states around a vortex core in high-T-c superconductors based on the t-J model

    Tsuchiura H, Ogata M, Tanaka Y, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 68 ( 1 )   2003.7

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    DOI: 10.1103/PhysRevE.68.012509

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  131. Influence of impurity-scattering on tunneling conductance in d-wave superconductors with broken time reversal symmetry

    Kitaura N, Itoh H, Asan Y, Tanaka Y, Inoue J, Tanuma Y, Kashiwaya S

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 72 ( 7 ) page: 1718-1723   2003.7

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    DOI: 10.1143/JPSJ.72.1718

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  132. Josephson current in s-wave-superconductor/Sr2RuO4 junctions

    Asano Y, Tanaka Y, Sigrist M, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 67 ( 18 )   2003.5

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    DOI: 10.1103/PhysRevB.67.184505

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  133. Temperature dependence of spin-polarized transport in ferromagnet/unconventional superconductor junctions

    Hirai T, Tanaka Y, Yoshida N, Asano Y, Inoue J, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 67 ( 17 )   2003.5

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    DOI: 10.1103/PhysRevB.67.174501

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  134. Charge transport in unconventional superconductor junctions

    Tanaka Y, Asano Y, Tanuma Y, Kuroki K, Kashiwaya S

    JOURNAL OF LOW TEMPERATURE PHYSICS   Vol. 131 ( 3-4 ) page: 461-470   2003.5

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  135. Doppler shift of zero energy Andreev bound state

    Tanaka Y, Tanuma Y, Kuroki K, Kashiwaya S

    PHYSICA B-CONDENSED MATTER   Vol. 329   page: 1444-1445   2003.5

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    DOI: 10.1016/S0921-4526(02)02370-0

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  136. Local magnetic moments in vortex cores and around nonmagnetic impurities in two-dimensional t-J model

    Ogata M, Tsuchiura H, Tanaka Y, Kashiwaya S

    PHYSICA B-CONDENSED MATTER   Vol. 329   page: 1453-1454   2003.5

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    DOI: 10.1016/S0921-4526(02)02376-1

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  137. Temperature dependence of the Josephson current in the d-wave superconductor junction based on the 2-D extended Hubbard model

    Shirai S, Tsuchiura H, Tanaka Y, Inoue J, Kashiwaya S

    JOURNAL OF LOW TEMPERATURE PHYSICS   Vol. 131 ( 3-4 ) page: 503-507   2003.5

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  138. STM/STS studies on YBa2Cu3O7-delta thin films treated with an atomic oxygen beam

    Ueno S, Kashiwaya S, Terada N, Tanaka Y, Tanuma Y, Koyanagi M, Obara K

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 388   page: 301-302   2003.5

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    DOI: 10.1016/S0921-4534(02)02455-3

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  139. Electronic states around vortex cores in the t-J model

    Tsuchiura H, Ogata M, Tanaka Y, Kashiwaya S

    JOURNAL OF LOW TEMPERATURE PHYSICS   Vol. 131 ( 3-4 ) page: 209-216   2003.5

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  140. Crystal growth of La2-xCexCuO4

    Oka K, Shibata H, Kashiwaya S, Eisaki H

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 388   page: 389-390   2003.5

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    DOI: 10.1016/S0921-4534(02)02528-5

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  141. How to determine pairing symmetry of quasi-1D organic superconductors through magnetotunneling spectroscopy

    Tanuma Y, Kuroki K, Tanaka Y, Arita R, Kashiwaya S, Aoki H

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 388   page: 587-588   2003.5

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    DOI: 10.1016/S0921-4534(02)02753-3

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  142. Far-infrared optical conductivity of Nb thin films

    Shibata H, Kimura S, Kashiwaya S, Kohjiro S, Oka K, Mitsugi Y, Tanaka Y

    PHYSICA B-CONDENSED MATTER   Vol. 329   page: 1369-1370   2003.5

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    DOI: 10.1016/S0921-4526(02)02243-3

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  143. Effects of spin-orbit scattering on Josephson current between s-wave superconductor and Sr2RuO4

    Asano Y, Hirai T, Tanaka Y, Inoue J, Sigrist M, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 388   page: 505-506   2003.5

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    DOI: 10.1016/S0921-4534(02)02529-7

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  144. Doping dependence of superconducting energy gap of NCCO observed by tunneling spectroscopy

    Kashiwaya S, Matsubara N, Prijamboedi B, Shibata H, Takita K, Kashiwaya H, Asano Y

    JOURNAL OF LOW TEMPERATURE PHYSICS   Vol. 131 ( 3-4 ) page: 327-330   2003.5

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  145. Mesoscopic effect observed in YBa2Cu3O7-delta/La0.67Sr0.33MnO3 tunnel junctions

    Kashiwaya H, Sawa A, Kashiwaya S, Kurosawa I, Yoshida N, Tanaka Y

    PHYSICA B-CONDENSED MATTER   Vol. 329   page: 1348-1349   2003.5

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    DOI: 10.1016/S0921-4526(02)02184-1

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  146. Superconductivity in NCCO thin films and effect of Gd and Ni doping

    Prijamboedi B, Kashiwaya S, Shibata H, Asano Y, Tanaka Y

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 388   page: 439-440   2003.5

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    DOI: 10.1016/S0921-4534(02)02567-4

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  147. Zero-bias conductance peak in disordered ferromagnetic metal/d(x2-y2)-wave superconductor junction

    Yoshida N, Itoh H, Asano Y, Tanaka Y, Inoue J, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 388   page: 96-97   2003.5

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    DOI: 10.1016/S0921-4534(02)02668-0

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  148. Circuit theory of unconventional superconductor junctions

    Tanaka Y, Nazarov YV, Kashiwaya S

    PHYSICAL REVIEW LETTERS   Vol. 90 ( 16 )   2003.4

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    DOI: 10.1103/PhysRevLett.90.167003

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  149. Influence of the impurity-scattering on zero-bias conductance peak in ferromagnet/insulator/d-wave superconductor junctions

    Yoshida N, Asano Y, Itoh H, Tanaka Y, Inoue J, Kashiwaya S

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 72 ( 4 ) page: 895-899   2003.4

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    DOI: 10.1143/JPSJ.72.895

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  150. Theoretical study on the tunneling spectrum of quasi-one dimensional organic superconductors (TMTSF)(2)X

    Tanuma Y, Kuroki K, Tanaka Y, Arita R, Kashiwaya S, Aoki H

    SYNTHETIC METALS   Vol. 133   page: 37-39   2003.3

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  151. Anisotropic pairing symmetry in Nd2-xCexCuO4

    Yanagisawa T, Koikegami S, Shibata H, Kimura S, Kashiwaya S, Sawa A, Matsubara N, Takita K

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 378   page: 173-177   2002.10

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  152. Mesoscopic effect observed in strong correlated electron materials

    Kashiwaya H, Sawa A, Kashiwaya S, Kurosawa I, Tsuchiura H, Tanaka Y

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 378   page: 364-367   2002.10

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  153. Superconducting and transport properties of the underdoped Nd2-xCexCuO4-y thin films

    Prijamboedi B, Kashiwaya S, Sawa A, Tanaka Y

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 378   page: 386-389   2002.10

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  154. Determination of pairing symmetry from magnetotunneling spectroscopy: A case study for quasi-one-dimensional organic superconductors

    Tanuma Y, Kuroki K, Tanaka Y, Arita R, Kashiwaya S, Aoki H

    PHYSICAL REVIEW B   Vol. 66 ( 9 )   2002.9

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    DOI: 10.1103/PhysRevB.66.094507

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  155. Tunneling conductance in normal metal-high-T-C cuprate junctions in the presence of magnetic field

    Tanaka Y, Itoh H, Tanuma Y, Tsuchiura H, Inoue J, Kashiwaya S

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 71 ( 8 ) page: 2005-2009   2002.8

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    DOI: 10.1143/JPSJ.71.2005

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  156. Crystal growth of ZnO

    Oka K, Shibata H, Kashiwaya S

    JOURNAL OF CRYSTAL GROWTH   Vol. 237   page: 509-513   2002.4

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  157. Josephson and quasiparticle Tunneling in anisotropic high-Tc d-wave superconductors

    Iguchi I, Imaizumi T, Kawai T, Tanaka Y, Kashiwaya S

    IEICE TRANSACTIONS ON ELECTRONICS   Vol. E85C ( 3 ) page: 789-796   2002.3

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  158. A relation between the zero-bias conductance and spin polarization in ferromagnetic metal/d-wave superconductor junctions

    Yoshida N, Itoh H, Hirai T, Tanaka Y, Inoue J, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 367 ( 1-4 ) page: 165-169   2002.2

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  159. Vortex tunneling spectra of high-T-c superconductors based on the t-J model

    Tsuchiura H, Uno S, Tanaka Y, Ogata M, Inoue JI, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 367 ( 1-4 ) page: 20-23   2002.2

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  160. Effect of disorder on tunnel conductance in normal metal/insulator/d-wave superconductor junctions

    Itoh H, Tanaka Y, Inoue J, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 367 ( 1-4 ) page: 99-102   2002.2

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  161. Local density of states near the surface of high-T-c superconductors under magnetic field based on the t-J model

    Tanuma Y, Tanaka Y, Tsuchiura H, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 367 ( 1-4 ) page: 147-151   2002.2

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  162. Tunneling conductance and broken time reversal symmetry state near the interface of a normal metal/d-wave superconductor

    Tanuma Y, Tanaka Y, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 367 ( 1-4 ) page: 141-146   2002.2

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  163. Tight-binding formulation of the electrical transport in mesoscopic system with unconventional superconductors

    Itoh H, Tanaka Y, Tsuchiura H, Inoue J, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 367 ( 1-4 ) page: 133-136   2002.2

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  164. Electron-hole asymmetry of the tunneling effect in ferromagnet/superconductor junctions

    Hirai T, Yoshida N, Tanaka Y, Inoue J, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 367 ( 1-4 ) page: 137-140   2002.2

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  165. Far-infrared optical conductivity of NbN1-xCx thin films

    Shibata H, Kimura S, Kashiwaya S, Kohjiro S, Sawa A, Mitsugi K, Tanaka Y

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 367 ( 1-4 ) page: 337-342   2002.2

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  166. Observation of the second harmonic in superconducting current-phase relation of Nb/Au/(001)YBa2Cu3Ox heterojunctions

    Komissinski PV, Il'ichev E, Ovsyannikov GA, Kovtonyuk SA, Grajcar M, Hlubina R, Ivanov Z, Tanaka Y, Yoshida N, Kashiwaya S

    EUROPHYSICS LETTERS   Vol. 57 ( 4 ) page: 585-591   2002.2

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  167. Zero-energy peak and pairing symmetry of quasi-one-dimensional organic superconductor (TMTSF)(2)X

    Tanuma Y, Kuroki K, Tanaka Y, Arita R, Kashiwaya S, Aoki H

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 63 ( 6-8 ) page: 1273-1276   2002

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  168. Tunneling conductance of normal metal/d-x(2)-y(2)-wave superconductor junctions in the presence of broken time-reversal symmetry states near interfaces

    Tanuma Y, Tanaka Y, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 64 ( 21 )   2001.12

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevLett.87.214519

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  169. Theoretical study of quasiparticle states near the surface of a quasi-one-dimensional organic superconductor (TMTSF)(2)PF6

    Tanuma Y, Kuroki K, Tanaka Y, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 64 ( 21 )   2001.12

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    DOI: 10.1103/PhysRevLett.87.214510

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  170. Anisotropic optical conductivity of Nd2-xCexCuO4 thin films

    Yanagisawa T, Koikegami S, Shibata H, Kimura S, Kashiwaya S, Sawa A, Matsubara N, Takita K

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 70 ( 10 ) page: 2833-2835   2001.10

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  171. Theory of tunneling conductance in quantum wire/d-wave superconductor junctions

    Tsuchikawa K, Yoshida N, Tanaka Y, Kashiwaya S, Inoue J, Takagaki Y

    PHYSICA C   Vol. 362   page: 224-227   2001.9

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  172. Angle-dependent Josephson current in high-T-c YBa2Cu3O7-delta ramp-edge junctions

    Kobayashi H, Imaizumi T, Iguchi I, Tanaka Y, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 357   page: 1567-1571   2001.8

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  173. Effects of interface roughness on d-wave Josephson junctions

    Shirai S, Tsuchiura H, Tanaka Y, Inoue J, Kashiwaya S

    PHYSICA C   Vol. 357   page: 1584-1587   2001.8

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  174. Proximity effect in normal metal/triplet superconductor junction

    Hirai T, Tanuma Y, Tanaka Y, Inoue J, Kashiwaya S

    PHYSICA C   Vol. 357   page: 1580-1583   2001.8

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  175. Far-infrared optical conductivity of Nd2-xCexCuO4 thin films

    Shibata H, Kimura S, Kashiwaya S, Sawa A, Matsubara N, Takita K, Tanaka Y

    PHYSICA C   Vol. 357   page: 112-116   2001.8

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  176. Magnetic-field dependence of tunneling conductance spectra of La0.67Sr0.33MnO3/YBa2Cu3O7-delta junctions in ultra-low temperatures

    Sawa A, Kashiwaya S, Kashiwaya H, Obara H, Yamasaki H, Koyanagi M, Kurosawa I, Tanaka Y

    PHYSICA C   Vol. 357   page: 294-297   2001.8

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  177. Size dependence and mesoscopic effect of YBa2Cu3O7-delta/La0.67Sr0.33MnO3 junctions

    Kashiwaya H, Sawa A, Kashiwaya S, Yamasaki H, Koyanagi A, Kurosawa I, Tanaka Y, Iguchi I

    PHYSICA C   Vol. 357   page: 1610-1613   2001.8

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  178. Scanning tunneling spectroscopy of YBa2Cu3O7-delta thin film treated with an atomic oxygen beam

    Ueno S, Kashiwaya S, Terada N, Sawa A, Matsubara N, Koyanagi M, Tanaka Y, Tanuma Y, Obara K, Takita K

    PHYSICA C   Vol. 357   page: 1576-1579   2001.8

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  179. Traveling solvent floating-zone growth and reduction condition optimization of Nd2-xCexCuO4 single crystals

    Shibata H, Oka K, Kashiwaya S, Yamaguchi H

    PHYSICA C   Vol. 357   page: 363-366   2001.8

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  180. Far-infrared reflectance and transmittance studies of YBa2Cu3O7-x single-crystal thin films

    Shibata H, Kimura S, Kashiwaya S, Ueno S, Koyanagi M, Terada N, Kawate E, Tanaka Y

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   Vol. 40 ( 5A ) page: 3163-3170   2001.5

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  181. Lattice model calculations for d(x2-y2)-wave Josephson junctions

    Tsuchiura H, Tanaka Y, Ogata M, Kashiwaya S

    PHYSICA C   Vol. 352 ( 1-4 ) page: 165-168   2001.4

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  182. Far-infrared optical conductivity of YBCO single crystal thin films from transmission and reflection spectra

    Shibata H, Kimura S, Kashiwaya S, Ueno S, Koyanagi M, Terada N, Kawate E, Fons P, Tanaka Y

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 62 ( 1-2 ) page: 253-256   2001

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  183. Spin-polarized tunneling of La0.67Sr0.33MnO3/YBa2Cu3O7-delta junctions

    Sawa A, Kashiwaya S, Obara H, Yamasaki H, Koyanagi M, Yoshida N, Tanaka Y

    PHYSICA C   Vol. 339 ( 4 ) page: 287-297   2000.11

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  184. Josephson current and quasiparticle current in high-T-c grain boundary junctions

    Yoshida N, Tanaka Y, Kashiwaya S

    PHYSICA C   Vol. 341   page: 1475-1476   2000.11

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  185. Far-infrared optical conductivity of YBa2Cu3O7-x thin films

    Shibata H, Kimura S, Kashiwaya S, Ueno S, Koyanagi M, Terada N, Kawate E, Fons P, Tanaka Y

    PHYSICA C   Vol. 341   page: 2197-2200   2000.11

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  186. Angle-resolved Andreev bound states in anisotropic d-wave high-T-c, YBa2Cu3O7-y superconductors

    Iguchi I, Wang W, Yamazaki M, Tanaka Y, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 62 ( 10 ) page: R6131-R6134   2000.9

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  187. Current-voltage relation for Josephson junctions with ferromagnetic insulator

    Yoshida N, Tanaka Y, Kashiwaya S, Inoue J

    PHYSICA B   Vol. 284   page: 511-512   2000.7

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  188. Ferromagnetic insulator effects in spin-polarized ferromagnet/d-wave superconductor junctions

    Kashiwaya S, Tanaka Y

    PHYSICA B   Vol. 284   page: 501-502   2000.7

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  189. The resonance states around an impurity in d(x2-y2)-wave superconductors

    Tsuchiura H, Tanaka Y, Ogata M, Kashiwaya S

    PHYSICA B   Vol. 284   page: 427-428   2000.7

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  190. Spin-dependent transport in La0.67Sr0.33MnO3/YBa2Cu3O7-delta junctions

    Sawa A, Kashiwaya S, Obara H, Yamasaki H, Koyanagi M, Tanaka Y

    PHYSICA B   Vol. 284   page: 493-494   2000.7

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  191. Interface effects on the shot noise in normal-metal-d-wave superconductor junctions

    Tanaka Y, Asai T, Yoshida N, Inoue J, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 61 ( 18 ) page: 11902-11905   2000.5

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  192. Phase dependent energy levels of bound states and D.C. Josephson current in unconventional superconductor/ferromagnetic insulator/unconventional superconductor junctions

    Tanaka Y, Kashiwaya S

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 69 ( 4 ) page: 1152-1161   2000.4

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MISC 99

  1. Josephson effect in a multiorbital model for Sr2RuO4 (vol 95, 174518, 2017)

    Kawai Kohei, Yada Keiji, Tanaka Yukio, Asano Yasuhiro, Golubov Alexander A., Kashiwaya Satoshi

    PHYSICAL REVIEW B   Vol. 95 ( 21 )   2017.6

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  2. Development of suspended normal-metal-type tunneling junction refrigerator

    Kashiwaya Satoshi, Kashiwaya Hiromi, Koyanagi Masao, Tanaka Yukio

    JAPANESE JOURNAL OF APPLIED PHYSICS   Vol. 55 ( 9 )   2016.9

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    DOI: 10.7567/JJAP.55.093101

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  3. Circularly polarized near-field scanning optical microscope for investigations of edge states of a two-dimensional electron system

    Nomura Shintaro, Mamyouda Syuhei, Ito Hironori, Shibata Yusuke, Ohira Tomoya, Yoshikawa Luno, Ootuka Youiti, Kashiwaya Satoshi, Yamaguchi Masumi, Tamura Hiroyuki, Akazaki Tatsushi

    APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING   Vol. 121 ( 4 ) page: 1341-1345   2015.12

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  4. Imaging of current density distributions with a Nb weak-link scanning nano-SQUID microscope

    Shibata Yusuke, Nomura Shintaro, Kashiwaya Hiromi, Kashiwaya Satoshi, Ishiguro Ryosuke, Takayanagi Hideaki

    SCIENTIFIC REPORTS   Vol. 5   2015.10

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    DOI: 10.1038/srep15097

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  5. Circularly Polarized Near-Field Optical Mapping of Spin-Resolved Quantum Hall Chiral Edge States

    Mamyouda Syuhei, Ito Hironori, Shibata Yusuke, Kashiwaya Satoshi, Yamaguchi Masumi, Akazaki Tatsushi, Tamura Hiroyuki, Ootuka Youiti, Nomura Shintaro

    NANO LETTERS   Vol. 15 ( 4 ) page: 2417-2421   2015.4

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    DOI: 10.1021/nl504767w

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  6. Imaging of Quantum Hall Edge States Under Quasiresonant Excitation by a Near-field Scanning Optical Microscope

    Ito H., Shibata Y., Mamyoda S., Kashiwaya S., Yamaguchi M., Akazaki T., Tamura H., Ootuka Y., Nomura S.

    PHYSICS OF SEMICONDUCTORS   Vol. 1566   page: 271-+   2013

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    DOI: 10.1063/1.4848390

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  7. Optical mapping of the boundary of a two-dimensional electron gas by a near-field optical microscopy

    Ito H., Shibata Y., Furuya K., Kashiwaya S., Ootuka Y., Nomura S.

    PROCEEDINGS OF THE 14TH INTERNATIONAL CONFERENCE ON NARROW GAP SEMICONDUCTORS AND SYSTEMS   Vol. 3 ( 2 ) page: 1171-1175   2010

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  8. Conductance in a T-shaped proximity structure of a p-wave superconductor

    Asano Y., Tanaka Y., Golubov A. A., Kashiwaya S.

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 69 ( 12 ) page: 3211-3213   2008.12

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  9. THEORY OF PROXIMITY EFFECT IN UNCONVENTIONAL SUPERCONDUCTOR JUNCTIONS

    Tanaka Y., Yokoyama T., Kashiwaya S., Golubov A. A., Asano Y.

    CONTROLLABLE QUANTUM STATES: MESOSCOPIC SUPERCONDUCTIVITY AND SPRINTRONICS     page: 168-+   2008

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  10. THEORETICAL STUDY OF SYNERGY EFFECT BETWEEN PROXIMITY EFFECT AND ANDREEV INTERFACE RESONANT STATES IN TRIPLET p-WAVE SUPERCONDUCTORS

    Tanuma Y., Tanaka Y., Kashiwaya S.

    CONTROLLABLE QUANTUM STATES: MESOSCOPIC SUPERCONDUCTIVITY AND SPRINTRONICS     page: 161-+   2008

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  11. Inhomogeneous electronic states due to out-of-plane disorder in the t-t '-J model

    Tsuchiura Hiroki, Takaki Kenichi, Kashiwaya Satoshi, Sakuma Akimasa

    JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS   Vol. 310 ( 2 ) page: 514-516   2007.3

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  12. Trends in standardization of lubricants for food processing sanitation environments

    Kashiwaya Satoshi

    JOURNAL OF JAPANESE SOCIETY OF TRIBOLOGISTS   Vol. 52 ( 5 ) page: 347-352   2007

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  13. Chemical reaction rate parameter estimation by MAP particle filter algorithm

    Kashiwaya Shigeru

    2007 IEEE CONGRESS ON EVOLUTIONARY COMPUTATION, VOLS 1-10, PROCEEDINGS     page: 4489-4496   2007

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  14. Theoretical study of proximity effect on normal metal/triplet p-wave superconductors

    Tanuma Y, Tanaka Y, Kuroki K, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 437-38   page: 319-322   2006.5

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  15. Anomalous charge transport in triplet superconductor junctions by the synergy effect of the proximity effect and the mid gap Andreev resonant states

    Tanaka Y, Kashiwaya S

    Realizing Controllable Quantum States     page: 129-136   2005

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  16. Study of proximity effect at d-wave superconductors in quasiclassical methods

    Tanuma Y, Tanaka Y, Kashiwaya S

    REALIZING CONTROLLABLE QUANTUM STATES     page: 333-339   2005

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  17. Circuit theory analysis of ab-plane tunnel junctions of unconventional superconductor Bi2Sr2CaCu2O8+delta

    Shigeta I, Tanaka Y, Ichikawa F, Asano Y, Kashiwaya S

    Realizing Controllable Quantum States     page: 161-166   2005

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  18. Quasiparticle states of high-T-c oxides observed by a Zeeman magnetic field response

    Kashiwaya S, Kashiwaya H, Prijamboedi B, Sugimoto A, Kurosawa I, Ikeda K, Tanaka Y

    Realizing Controllable Quantum States     page: 179-184   2005

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  19. Proximity effect on the interface of normal metal/d-wave superconductors

    Tanuma Y, Tanaka Y, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 412   page: 319-323   2004.10

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  20. Anomalous charge transport in triplet superconductor junctions

    Tanaka Y, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 70 ( 1 )   2004.7

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  21. Zero-bias conductance peak splitting due to multiband effect in tunneling spectroscopy of organic superconductors

    Tanuma Y, Kuroki K, Tanaka Y, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 68 ( 21 )   2003.12

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  22. Quasiparticle states around vortex cores in the t-J model

    Kuribayashi T, Tsuchiura H, Tanaka Y, Inoue J, Ogata M, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 392   page: 419-423   2003.10

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  23. Theory of charge transport in diffusive normal metal/conventional superconductor point contacts

    Tanaka Y, Golubov AA, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 68 ( 5 )   2003.8

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  24. Quantum transport in disordered normal metal/unconventional superconductor junctions

    Kitaura N, Itoh H, Yoshida N, Tanaka Y, Inoue J, Kashiwaya S

    PHYSICA B-CONDENSED MATTER   Vol. 329   page: 1451-1452   2003.5

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  25. Effect of randomness on zero bias conductance peak in disorderd normal metal/d-wave superconductor junction

    Itoh H, Kitaura N, Tanaka Y, Inoue J, Asano Y, Yoshida N, Kashiwaya S

    TOWARDS THE CONTROLLABLE QUANTUM STATES: MESOSCOPIC SUPERCONDUCTIVITY AND SPINTRONICS     page: 173-178   2003

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  26. Fermiology effect on the tunneling spectrum of organic superconductors (TMTSF)(2)X

    Tanuma Y, Kuroki K, Tanaka Y, Arita R, Kashiwaya S, Aoki H

    TOWARDS THE CONTROLLABLE QUANTUM STATES: MESOSCOPIC SUPERCONDUCTIVITY AND SPINTRONICS     page: 229-234   2003

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  27. Temperature dependence of Josephson current in d-wave superconductor

    Shirai S, Tsuchiura H, Tanaka Y, Inoue J, Kashiwaya S

    TOWARDS THE CONTROLLABLE QUANTUM STATES: MESOSCOPIC SUPERCONDUCTIVITY AND SPINTRONICS     page: 223-228   2003

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  28. Effects of disorder on spin-polarized tunneling in ferromagnetic metal/D-wave superconductor junctions

    Yoshida N, Itoh H, Tanaka Y, Inoue J, Asano Y, Kashiwaya S

    TOWARDS THE CONTROLLABLE QUANTUM STATES: MESOSCOPIC SUPERCONDUCTIVITY AND SPINTRONICS     page: 149-154   2003

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  29. Magnetotunneling spectroscopy as a probe for pairing symmetry determination in quasi-two-dimensional anisotropic superconductors

    Tanuma Y, Tanaka Y, Kuroki K, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 66 ( 17 )   2002.11

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  30. Theory of magnetotunneling spectroscopy in spin triplet p-wave superconductors

    Tanaka Y, Tanuma Y, Kuroki K, Kashiwaya S

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 71 ( 9 ) page: 2102-2105   2002.9

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    DOI: 10.1143/JPSJ.71.2102

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  31. Fractional quantized vortices as direct evidence of d(x)(2)-(2)(y)-wave pairing symmetry up to critical temperature in high-T-c cuprate superconductors

    Sugimoto A, Miyake T, Takeda T, Iguchi I, Kashiwaya S

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS   Vol. 41 ( 7A ) page: L739-L741   2002.7

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    DOI: 10.1143/JJAP.41.L739

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  32. Theoretical study of the conductance in normal metal/d-wave superconductor point contacts

    Tsuchikawa K, Itoh H, Tanaka Y, Inoue J, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 367 ( 1-4 ) page: 161-164   2002.2

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  33. Theory of the spin-dependent transport in superconducting quantum point contacts with a ferromagnetic metal

    Yoshida N, Itoh H, Tsuchiura H, Tanaka Y, Inoue J, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 367 ( 1-4 ) page: 185-190   2002.2

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  34. Quasiparticle bound states near the interface of high-T-c superconductors

    Tanaka Y, Itoh H, Tsuchiura H, Tanuma Y, Inoue J, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 367 ( 1-4 ) page: 73-78   2002.2

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  35. Influence of magnetic field on tunneling conductance in normal metal/dx2-y2-wave superconductor junctions

    Tanaka Y, Tsuchiura H, Tanuma Y, Kashiwaya S

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 71 ( 1 ) page: 271-277   2002.1

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  36. Local magnetic moments around a nonmagnetic impurity in the two-dimensional t-J model

    Tsuchiura H, Tanaka Y, Ogata M, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 64 ( 14 ) page: .   2001.10

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  37. Spin polarized tunneling in triplet superconductor

    Hirai T, Yoshida N, Tanaka Y, Inoue J, Kashiwaya S

    PHYSICA C   Vol. 362   page: 215-218   2001.9

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  38. Interface effect and tunneling conductance of a normal metal/d-wave superconductor junction

    Tanuma Y, Tanaka Y, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 362   page: 219-223   2001.9

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  39. Influence of impurity scattering on tunneling conductance in normal-metal-d-wave superconductor junctions

    Tanaka Y, Tanuma Y, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 64 ( 5 ) page: .   2001.8

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  40. Theory of tunneling conductance in quantum-wire/unconventional superconductor junctions

    Tsuchikawa K, Yoshida N, Tanaka Y, Kashiwaya S, Inoue J, Takagaki Y

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 357   page: 1588-1591   2001.8

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  41. Parity-sensitive measurements based on ferromagnet/superconductor tunneling junctions

    Hirai T, Yoshida N, Tanaka Y, Inoue J, Kashiwaya S

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 70 ( 7 ) page: 1885-1888   2001.7

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  42. Influence of zero-energy state on tunneling magnetoresistance in ferromagnet/d-wave superconductor/ferromagnet tunnel junctions

    Yoshida N, Tanaka Y, Inoue J, Kashiwaya S

    PHYSICA C   Vol. 352 ( 1-4 ) page: 203-206   2001.4

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  43. Andreev bound state and charge transport in unconventional superconductors

    Tanaka Y, Kashiwaya S

    PHYSICA C   Vol. 352 ( 1-4 ) page: 30-36   2001.4

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  44. Current fluctuation in ferromagnet/unconventional superconductor junctions

    Yoshida N, Tanaka Y, Inoue JI, Kashiwaya S

    PHYSICA C   Vol. 352 ( 1-4 ) page: 199-202   2001.4

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  45. Charge transport in singlet superconductor/triplet superconductor junctions

    Yoshida N, Tanaka Y, Kashiwaya S, Inoue J

    PHYSICA C   Vol. 352 ( 1-4 ) page: 207-210   2001.4

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  46. Magnetoresistance in a ferromagnet/d-wave-superconductor double tunnel junction

    Yoshida N, Tanaka Y, Inoue J, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 63 ( 2 ) page: .   2001.1

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  47. Magnetic impurities in t-J model

    Tsuchiura H, Tanaka Y, Ogata M, Kashiwaya S

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 62 ( 1-2 ) page: 265-267   2001

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  48. Current fluctuation in high-T-c superconductors

    Asai T, Yoshida N, Tanaka Y, Inoue J, Kashiwaya S

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 62 ( 1-2 ) page: 261-264   2001

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  49. Josephson tunneling of anisotropic high-T-c d-wave junctions with tilted ab-plane YBa2Cu3O7-y electrodes

    Arie H, Yasuda K, Kobayashi H, Iguchi I, Tanaka Y, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 62 ( 17 ) page: 11864-11871   2000.11

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  50. Tunnelling effects on surface bound states in unconventional superconductors

    Kashiwaya S, Tanaka Y

    REPORTS ON PROGRESS IN PHYSICS   Vol. 63 ( 10 ) page: 1641-1724   2000.10

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  51. Local density of states near the surface of a d+s-wave superconductor in the two-dimensional t-J model

    Tanuma Y, Tanaka Y, Ogata M, Kashiwaya S

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 69 ( 5 ) page: 1472-1476   2000.5

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  52. Transport properties between unconventional superconductors and ferromagnets

    Kashiwaya S, Tanaka Y

    PHYSICA B   Vol. 280 ( 1-4 ) page: 182-183   2000.5

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  53. Local density of states around a magnetic impurity in high-T-c superconductors based on the t-J model

    Tsuchiura H, Tanaka Y, Ogata M, Kashiwaya S

    PHYSICAL REVIEW LETTERS   Vol. 84 ( 14 ) page: 3165-3168   2000.4

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  54. Surface states and tunneling spectroscopy of high-T-c-superconductors (vol 25, pg 1099, 1999)

    Kashiwaya S, Tanaka Y

    SUPERLATTICES AND MICROSTRUCTURES   Vol. 27 ( 4 ) page: 269-269   2000.4

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  55. Surface states and tunneling spectroscopy of high-T-c superconductors

    Kashiwaya S, Tanaka Y

    SUPERLATTICES AND MICROSTRUCTURES   Vol. 27 ( 4 ) page: 271-286   2000.4

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  56. Impurities and vortex cores in the t-J model

    Ogata M, Himeda A, Tsuchiura H, Tanaka Y, Kashiwaya S

    ADVANCES IN SUPERCONDUCTIVITY XII     page: 62-67   2000

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  57. Study of the quasiparticle spectra near the surface or nonmagnetic impurities in high-T-c superconductors

    Tsuchiura H, Tanuma Y, Tanaka Y, Ogata M, Kashiwaya S, Inoue J

    SURFACE SCIENCE   Vol. 438 ( 1-3 ) page: 347-352   1999.9

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  58. Theory of the Josephson effect in a superconductor/one-dimensional electron gas/superconductor junction

    Tanaka Y, Hirai T, Kusakabe K, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 60 ( 9 ) page: 6308-6311   1999.9

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  59. Local density of states of quasiparticles near the surface of t-t '-t ''-J model

    Tanuma Y, Tanaka Y, Ogata M, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 317   page: 521-523   1999.5

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  60. Impurity effect in the superconducting state of the two-dimensional t-J model

    Tsuchiura H, Tanaka Y, Ogata M, Kashiwaya S

    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   Vol. 317   page: 518-520   1999.5

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  61. Theory of Josephson effect in Pb/Sr2RuO4/Pb junction

    Yamashiro M, Tanaka Y, Kashiwaya S

    PHYSICA C   Vol. 317   page: 672-675   1999.5

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  62. Theory of tunneling effect and Josephson effect in anisotropic superconductors under spatially varying pair potentials

    Tanaka Y, Kashiwaya S

    PHYSICA C   Vol. 317   page: 403-409   1999.5

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  63. Theory of spill polarized tunneling in superconducting Sr2RuO4

    Yoshida N, Tanaka Y, Inoue J, Kashiwaya S

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 68 ( 4 ) page: 1071-1074   1999.4

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  64. Theory of Josephson effects in d-wave superconductor junctions

    Tanaka Y, Kashiwaya S

    PHYSICS AND APPLICATIONS OF MESOSCOPIC JOSEPHSON JUNCTIONS     page: 155-178   1999

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  65. Surface states and tunneling spectroscopy of high-T-c superconductors

    Kashiwaya S, Tanaka Y

    SUPERLATTICES AND MICROSTRUCTURES   Vol. 25 ( 5-6 ) page: 1099-1114   1999

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  66. Theory of Josephson effects in anisotropic superconductors (vol 56, pg 892, 1997)

    Tanaka Y, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 58 ( 1 ) page: 544-544   1998.7

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  67. Local density of states on rough surfaces of d(x(2)-y(2))-wave superconductors

    Tanuma Y, Tanaka Y, Yamashiro M, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 57 ( 13 ) page: 7997-8008   1998.4

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  68. Theory of local density of states of d(x(2)-y(2))-wave superconducting state near the surfaces of the t-J model

    Tanuma Y, Tanaka Y, Ogata M, Kashiwaya S

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 67 ( 4 ) page: 1118-1121   1998.4

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  69. Enhancement of the extended s-wave pairing in the two-dimensional t-J model

    Tsuchiura H, Tanaka Y, Ogata M, Kashiwaya S

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 59 ( 10-12 ) page: 1867-1869   1998

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  70. Scanning tunnelling spectroscopy of YBa2Cu3O7-delta thin films

    Ueno S, Kashiwaya S, Terada N, Koyanagi M, Tanaka Y, Kajimura K

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 59 ( 10-12 ) page: 2081-2084   1998

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  71. Theory of the quasiparticle spectra around a vortex in the two-dimensional t-t '-J model

    Ogata M, Himeda A, Tanaka Y, Kashiwaya S

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 59 ( 10-12 ) page: 1849-1852   1998

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  72. Tunneling conductance of a normal metal/insulator/Sr2RuO4 junction

    Yamashiro M, Tanaka Y, Kashiwaya S

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 59 ( 10-12 ) page: 2085-2087   1998

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  73. Theory of Josephson effect and current carrying quasiparticle states in d-wave superconductors

    Tanaka Y, Kashiwaya S

    PHYSICA C   Vol. 293 ( 1-4 ) page: 101-104   1997.12

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  74. Theory of tunneling conductance for normal metal/insulator/triplet superconductor junction

    Yamashiro M, Tanaka Y, Tanuma Y, Kashiwaya S

    PHYSICA C   Vol. 293 ( 1-4 ) page: 239-243   1997.12

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  75. Theory of tunneling conductance of STS around magnetic impurity in superconductors

    Tanaka Y, Kashiwaya S

    CZECHOSLOVAK JOURNAL OF PHYSICS   Vol. 47 ( 10 ) page: 1043-1045   1997.10

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  76. Effects of atomic-scale roughness at the surface of d(x(2)-y(2))-wave superconductor

    Tanuma Y, Tanaka Y, Yamashiro M, Kashiwaya S

    PHYSICA C   Vol. 282   page: 1857-1858   1997.8

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  77. High resolution transmission electron microscopy observation of the MoS2-Au interface formed due to stick-slip of MoS2 sliding on Au in relation to the friction trace

    Takahashi N, Kashiwaya S

    WEAR   Vol. 206 ( 1-2 ) page: 8-14   1997.5

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  78. Theory of Josephson effect in superconductor-ferromagnetic-insulator-superconductor junction

    Tanaka Y, Kashiwaya S

    PHYSICA C   Vol. 274 ( 3-4 ) page: 357-363   1997.2

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  79. Local density of states of quasiparticles near the interface of nonuniform d-wave superconductors

    Tanaka Y, Kashiwaya S

    PHYSICAL REVIEW B   Vol. 53 ( 14 ) page: 9371-9381   1996.4

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  80. Josephson effect and quasiparticle states in d-wave superconductors

    Tanaka Y, Kashiwaya S

    SPECTROSCOPIC STUDIES OF SUPERCONDUCTORS, PTS A AND B   Vol. 2696   page: 468-476   1996

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  81. Tunneling spectroscopy of anisotropic superconductors

    Kashiwaya S, Tanaka Y, Koyanagi M, Kajimura K

    SPECTROSCOPIC STUDIES OF SUPERCONDUCTORS, PTS A AND B   Vol. 2696   page: 477-485   1996

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  82. Theory of tunneling effect of d-wave superconductors

    Tanaka Y, Kashiwaya S

    QUANTUM COHERENCE AND DECOHERENCE     page: 183-186   1996

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  83. Theory of Josephson effect in grain boundary d-wave superconductors

    Tanaka Y, Kashiwaya S

    CZECHOSLOVAK JOURNAL OF PHYSICS   Vol. 46   page: 1063-1064   1996

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  84. Josephson effect in d(x(2)-y(2))-wave superconductors

    Tanaka Y, Kashiwaya S

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   Vol. 56 ( 12 ) page: 1761-1762   1995.12

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  85. BOUND-STATES IN SUPERCONDUCTORS

    KASHIWAYA S, TANAKA Y, KAJIMURA K

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   Vol. 34 ( 8B ) page: 4555-4558   1995.8

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  86. THEORY OF TUNNELING SPECTROSCOPY OF D-WAVE SUPERCONDUCTORS

    TANAKA Y, KASHIWAYA S

    PHYSICAL REVIEW LETTERS   Vol. 74 ( 17 ) page: 3451-3454   1995.4

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  87. PROXIMITY EFFECT IN NBC0.3N0.7/AU BILAYERS OBSERVED BY LOW-TEMPERATURE SCANNING-TUNNELING-MICROSCOPY

    KASHIWAYA S, KOYANAGI M

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 63 ( 8 ) page: 3098-3106   1994.8

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  88. STUDY OF ELECTRONIC STATES IN PBCO THIN-FILM ON A-AXIS ORIENTED YBCO FILM

    KOYANAGI M, KASHIWAYA S, MATSUDA M, SHOJI A, KAJIMURA K

    PHYSICA B   Vol. 194   page: 2155-2156   1994.2

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  89. STUDY OF ZERO-BIAS CONDUCTANCE PEAKS IN YBCO FILMS BY LT-STM

    KASHIWAYA S, KOYANAGI M, MATSUDA M, KAJIMURA K

    PHYSICA B   Vol. 194   page: 2119-2120   1994.2

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  90. TRIBO-CHARACTERISTICS OF GALVANIZED SHEET STEEL EVALUATED BY STRIP-IRONING TYPE TRIBOMETER

    DOHDA K, KASHIWAYA S, WANG Z, NAOI M

    TRANSACTIONS OF THE NORTH AMERICAN MANUFACTURING RESEARCH INSTITUTION OF SME, VOL XXII, 1994     page: 401-406   1994

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  91. STUDY OF YBA2CU3O7 SUPERCONDUCTOR BY LOW-TEMPERATURE SCANNING TUNNELING MICROSCOPY AND SPECTROSCOPY

    TANAKA M, TAKEBAYASHI S, HASHIMOTO M, KASHIWAYA S, HIRAYAMA F, KOYANAGI M

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   Vol. 32 ( 1A ) page: 35-41   1993.1

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  92. COMPATIBILITY BETWEEN TOOL MATERIALS AND ALUMINUM IN SHEET METAL IRONING

    DOHDA K, KASHIWAYA S, TSUCHIYA Y, ARAI T

    TRANSACTIONS OF THE NORTH AMERICAN MANUFACTURING RESEARCH INSTITUTE OF SME, VOL XXI, 1993     page: 127-132   1993

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  93. STUDY OF YBCO AU SURFACE USING LOW-TEMPERATURE SCANNING TUNNELING MICROSCOPY SCANNING TUNNELING SPECTROSCOPY

    KOYANAGI M, KASHIWAYA S, AKOH H, KOHJIRO S, MATSUDA M, HIRAYAMA F, KAJIMURA K

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   Vol. 31 ( 11 ) page: 3525-3528   1992.11

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  94. LOW-TEMPERATURE SCANNING TUNNELING SPECTROSCOPIC OBSERVATION OF VORTEX IN A NBCXN1-X THIN-FILM

    KASHIWAYA S, KOYANAGI M, SHOJI A

    APPLIED PHYSICS LETTERS   Vol. 61 ( 15 ) page: 1847-1849   1992.10

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  95. SCANNING TUNNELING SPECTROSCOPIC STUDIES OF QUENCH AND MELT GROWTH (QMG) YBACUO CRYSTALS AT 4.2K

    TANAKA M, TAKEBAYASHI S, SAWANO K, KASHIWAYA S, HIRAYAMA F, KOYANAGI M

    PHYSICA C   Vol. 185   page: 1909-1910   1991.12

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  96. STUDY OF Y-BA-CU-O/AU SURFACE ELECTRONIC STATES USING LTSTS

    KOYANAGI M, KASHIWAYA S, KOHJIRO S, AKOH H, MATSUDA M, KAJIMURA K

    PHYSICA C   Vol. 185   page: 2569-2570   1991.12

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  97. SCANNING TUNNELING SPECTROSCOPIC STUDIES OF SUPERCONDUCTING NBN SINGLE-CRYSTAL THIN-FILMS AT 4.2K

    KASHIWAYA S, KOYANAGI M, SHOJI A, MATSUDA M, SHIBATA H

    IEEE TRANSACTIONS ON MAGNETICS   Vol. 27 ( 2 ) page: 837-839   1991.3

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  98. DIRECTLY-COUPLED DC-SQUID MAGNETOMETERS MADE OF BI-SR-CA-CU OXIDE-FILMS

    MATSUDA M, MURAYAMA Y, KIRYU S, KASAI N, KASHIWAYA S, KOYANAGI M, ENDO T, KURIKI S

    IEEE TRANSACTIONS ON MAGNETICS   Vol. 27 ( 2 ) page: 3043-3046   1991.3

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  99. TUNNELING SPECTROSCOPY ON AN ORGANIC SUPERCONDUCTOR (BEDT-TTF)2CU(NCS)2

    BANDO H, KASHIWAYA S, TOKUMOTO H, ANZAI H, KINOSHITA N, KAJIMURA K

    JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS   Vol. 8 ( 1 ) page: 479-483   1990

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Presentations 26

  1. ダイヤモンドNVセンター15N核スピン歳差運動の静磁場-NV軸間角度依存性

    東 勇佑、渡邊 幸志、柏谷 聡、野村 晋太郎

    第69回応用物理学会春季学術講演会  2022.3.25  応用物理学会

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    Event date: 2022.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  2. ダイヤモンド NV センター電子スピンラビ振動の減衰時間の空間分布

    吉岡 舜、渡邊 幸志、柏谷 聡、野村 晋太郎

    第69回応用物理学会春季学術講演会  2022.3.25  応用物理学会

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    Event date: 2022.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  3. 3K相を介したジョセフソン接合によるSr2RuO4の超伝導特性評価

    山田貴弘, 矢野力三, 米澤進吾, Shahbaz Anwar, 前野悦輝, 柏谷聡

    日本物理学会第77回年次大会  2022.3.16  日本物理学会

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    Event date: 2022.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  4. マイクロスケール領域の磁気測定に向けたSQUID装置の開発

    勅使河原充洋, 山森弘毅, 矢野力三, 柏谷聡

    日本物理学会第77回年次大会  2022.3.16  日本物理学会

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    Event date: 2022.3

    Language:Japanese   Presentation type:Poster presentation  

    Venue:オンライン  

  5. ノーダルライン半金属CaAgPにおけるPdドープの効果と表面キャリア制御

    長坂翔太, 矢野力三, 三枝一茂, 篠田祐作, 岡本佳比古, 竹中康司, 柏谷聡

    日本物理学会第77回年次大会  2022.3.16  日本物理学会

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    Event date: 2022.3

    Language:Japanese   Presentation type:Poster presentation  

    Venue:オンライン  

  6. 不純物ドープしたMn3Snの電子状態

    林昌宏, 壁谷汰知, 木原俊哉, 矢野力三, 柏谷聡

    日本物理学会第77回年次大会  2022.3.16  日本物理学会

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    Event date: 2022.3

    Language:Japanese   Presentation type:Poster presentation  

    Venue:オンライン  

  7. Mn3Snの異常ホール効果へのSnサイト置換の影響

    壁谷汰知, 木原俊哉, 林昌宏, 矢野力三, 柏谷聡

    日本物理学会第77回年次大会  2022.3.16  日本物理学会

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    Event date: 2022.3

    Language:Japanese   Presentation type:Poster presentation  

    Venue:オンライン  

  8. ワイル半金属Mn3Snにおける表面不純物由来の新奇異常ホール効果

    木原俊哉, 鈴木通人, 矢野力三, 柏谷聡

    日本物理学会第77回年次大会  2022.3.16  日本物理学会

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    Event date: 2022.3

    Language:Japanese   Presentation type:Poster presentation  

    Venue:オンライン  

  9. イオンゲートを用いた磁性トポロジカル絶縁体FeドープBiSbTe2Seの表面状態の制御

    反田剛, 矢野力三, 廣瀬陽代, 笹川崇男, 柏谷聡

    日本物理学会第77回年次大会  2022.3.16  日本物理学会

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    Event date: 2022.3

    Language:Japanese   Presentation type:Poster presentation  

    Venue:オンライン  

  10. Quasiparticle tunneling and Josephson effects of Sr2RuO4 Invited International conference

    Satoshi Kashiwaya

    Oxide Superspin (OSS2021) Workshop  2021.12.15  OSS committee

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    Event date: 2021.12

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:Kyoto   Country:Japan  

  11. Transport Properties of the Sr2RuO4/Ru/Nb Josephson Junction International conference

    Takahiro Yamada, Rikizo Yano, Shingo Yonezawa, Shahbaz Anwar, Yoshiteru Maeno, Satoshi Kashiwaya

    Oxide Superspin (OSS2021) Workshop  2021.12.15  OSS committee

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    Event date: 2021.12

    Language:English   Presentation type:Poster presentation  

    Venue:Kyoto   Country:Japan  

  12. Sr2RuO4/Nbジョセフソン接合の作製

    山田貴弘, 矢野力三, 米澤進吾, Shahbaz Anwar, 前野悦輝, 柏谷聡

    日本物理学会2021年秋季大会  2021.9.20  日本物理学会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  13. Pd置換したノーダルライン半金属CaAgPにおける表面キャリア密度と超伝導

    長坂翔太, 矢野力三, 三枝一茂, 篠田祐作, 岡本佳比古, 竹中康司, 柏谷聡

    日本物理学会2021年秋季大会  2021.9.21  日本物理学会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  14. AgCrSe2 単結晶における異常な磁気輸送特性

    後藤大望, 矢野力三, 笹川崇男, 柏谷聡

    日本物理学会2021年秋季大会  2021.9.21  日本物理学会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  15. 磁性ドープ三次元トポロジカル絶縁体Fe-BiSbTe2Seの表面輸送特性

    反田剛, 矢野力三, 廣瀬陽代, 笹川崇男, 柏谷聡

    日本物理学会2021年秋季大会  2021.9.21  日本物理学会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  16. 不純物ドープしたMn3Snにおける異常ホール効果

    壁谷汰知, 木原俊哉, 矢野力三, 須藤裕之, 柏谷聡

    日本物理学会2021年秋季大会  2021.9.21  日本物理学会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  17. ワイル反強磁性物質Mn3Snの中低温における異常ホール効果

    木原俊哉, 矢野力三, 片山尚幸, 須藤裕之, 柏谷聡

    日本物理学会2021年秋季大会  2021.9.21  日本物理学会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  18. トポロジカル絶縁体(BiSbTeSe2)からの電界放出

    永井 大賀、中原 仁、矢野 力三、笹川 崇男、柏谷 聡

    第82回応用物理学会秋季学術講演会  2021.9.13  応用物理学会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  19. 非選択的パルスを用いたダイヤモンドNVセンター15N核スピンの初期化方法(II)

    東 勇佑、野村 晋太郎、渡邊 幸志、柏谷 聡

    第82回応用物理学会秋季学術講演会  2021.9.12  応用物理学会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  20. Field Effects of Pd Doped CaAgP as a Nodal-Line semimetal International conference

    Shota Nagasaka, Rikizo Yano, Kazushige Saigusa, Yoshihiko Okamoto, Koshi Takenaka, and Satoshi Kashiwaya

    The 12th International Conference on the Science and Technology for Advanced Ceramics (STAC-12)  2021.7.7  The organizing committee of STAC-12

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    Event date: 2021.7

    Language:English   Presentation type:Poster presentation  

    Venue:online  

  21. Field Emission from Topological Insulator BiSbTeSe2 International conference

    Taiga Nagai, Hitoshi Nakahara, Rikizo Yano, Takao Sasagawa, and Satoshi Kashiwaya

    The 12th International Conference on the Science and Technology for Advanced Ceramics (STAC-12)  2021.7.7  The organizing committee of STAC-12

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    Event date: 2021.7

    Language:English   Presentation type:Poster presentation  

    Venue:online  

  22. Surface Transport Properties of Magnetically-Doped Three-Dimensional Topological Insulator Fe-BiSbTe2Se International conference

    Tsuyoshi Tanda, Rikizo Yano, Hishiro T. Hirose, Takao Sasagawa, and Satoshi Kashiwaya

    The 12th International Conference on the Science and Technology for Advanced Ceramics (STAC-12)  2021.7.7  The organizing committee of STAC-12

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    Event date: 2021.7

    Language:English   Presentation type:Poster presentation  

    Venue:online  

  23. Anomalous Magnetic Transport Properties of AgCrSe2 Single Crystals International conference

    Hiromi Goto, Rikizo Yano, Takao Sasagawa, and Satoshi Kashiwaya

    The 12th International Conference on the Science and Technology for Advanced Ceramics (STAC-12)  2021.7.7  The organizing committee of STAC-12

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    Event date: 2021.7

    Language:English   Presentation type:Poster presentation  

    Venue:online  

  24. トポロジカル超伝導と接合系 Invited

    柏谷聡

    第6回ポストグラフェン研究会 

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    Event date: 2020.1

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:名古屋   Country:Japan  

  25. Josephson effects and time-reversal symmetry of Sr2RuO4 International conference

    International Conference on Topological Materials Science 2019 (TopoMat2019) 

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    Event date: 2019.12

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  26. Tunneling and Josephson effects of Sr2RuO4 Invited International conference

    Satoshi Kashiwaya

    ETH workshop on Sr2RuO4 

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    Event date: 2019.5

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Zurich   Country:Switzerland  

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Research Project for Joint Research, Competitive Funding, etc. 1

  1. トポロジカル量子計算の基盤技術構築

    2017.10 - 2022.3

    特色ある大学教育支援プログラム 

    笹川 崇男

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    Grant type:Competitive

    トポロジカル超伝導体を用いたトポロジカル量子計算の可能性の探求

KAKENHI (Grants-in-Aid for Scientific Research) 21

  1. 超伝導接合による暗黒物質アキシオンの検出のための基盤技術開発

    Grant number:18H01243  2018.4 - 2021.3

    科学研究費補助金  基盤研究(B)

    柏谷 聡

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    Authorship:Principal investigator 

  2. Investigation of novel topological phases based on symmetry

    Grant number:15H05853  2015.6 - 2020.3

    Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

    Takafumi Sato

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    Authorship:Coinvestigator(s) 

    We have explored novel topological materials based on crystal symmetry and investigated emergent quantum phenomena and exotic quasiparticles associated with the topological properties of such materials. By combining state-of-the-art bulk-crystal-growth / molecular-beam-epitaxy techniques and advanced spectroscopies such as spin-ARPES and tunneling microscopy, we established controllability of Dirac fermions at the surface and interface of topological insulators. Moreover, we discovered several new types of topological semimetals, as represented by noncentrosymmetric Weyl semimetals, topological semimetals with new chiral fermions, and line-node semimetals protected by the nonsymmorphic symmetries of crystal. We have also conducted experiments on superconducting hybrids/junctions to pin down pairing symmetry, and found several new topological-superconductor candidates. By introducing the concept of topology, new insights in the physics of odd-frequency Cooper pairing were also obtained.

  3. 核スピン量子多体系の状態制御と読み取り

    2018.7 - 2020.3

    科学研究費補助金 

    野村 晋太郎

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    ダイヤモンド表面を用いた量子計算の実現可能性に関する研究

  4. Non-Hermitian quantum spin-photon coupled system

    Grant number:21H01009  2021.4 - 2025.3

    Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

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    Authorship:Coinvestigator(s)  Grant type:Competitive

    Grant amount:\900000 ( Direct Cost: \900000 )

  5. トポロジカル超伝導体の量子応答

    Grant number:20H00131  2020.4 - 2023.3

    科学研究費助成事業  基盤研究(A)

    佐藤 昌利, 田仲 由喜夫, 柏谷 聡

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    Authorship:Coinvestigator(s)  Grant type:Competitive

    Grant amount:\1100000 ( Direct Cost: \1100000 )

    非可換エニオンによる量子計算など単なる超伝導にない新しい機能を持ち得る非従来型超伝導体は、長らく超伝導研究の中心テーマであるが、現在に至るまでクーパー対の対称性の確立に至った例はほとんどない。本研究では、1) 波動関数のトポロジーに基づく新しい物質観より、非従来型超伝導体を「トポロジカル超伝導体」として精密に定式化し、2) その特徴的な量子応答を明らかにすることで、3)従来の手法では同定が困難であった非従来型超伝導体の対称性同定法の確立を目指す。

  6. Control and readout of nuclear spin quantum many-body states

    Grant number:18K18726  2018.6 - 2021.3

    Grants-in-Aid for Scientific Research  Grant-in-Aid for Challenging Research (Exploratory)

    Nomura Shintaro

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    Authorship:Coinvestigator(s) 

    In this research project, we have performed research on the preparation of nuclear spin-lattice by fluorination of the diamond surface, on the development of a system for the control and readout of nuclear spin-electron states, on high sensitivity AC field detection using the Hadamard basis, and on control and readout of the nuclear spin states. We have successfully detected AC magnetic field by a spin-locking method at high sensitivity, and have successfully visualized the image of RF field distribution. Furthermore, we have successfully initialized the nuclear spin states by using nonselective microwave pulses and observed Rabi oscillations of the nuclear spin state.

  7. 超伝導体の分光:奇周波数電子対とトポロジー

    2019.4 - 2021.3

    科学研究費補助金  二国間交流事業共同研究

    柏谷聡

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    Authorship:Principal investigator 

  8. Search for dark matter axions using superconducting junctions

    Grant number:18H01243  2018.4 - 2021.3

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    Authorship:Principal investigator 

    Grant amount:\17550000 ( Direct Cost: \13500000 、 Indirect Cost:\4050000 )

  9. Construction of Topo-Q International Network

    Grant number:15K21717  2015.11 - 2020.3

    Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

    Kawakami Norio

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    Authorship:Coinvestigator(s) 

    To activate the international exchange of researchers and accelerate the collaborations with overseas research projects on topological materials science, we have played a principal role in establishing the international network dubbed “Topo-Q”. In particular, our original programs such as the alliance workshops have enabled us to host an international platform for the community of researchers working on topological materials science. Furthermore, by fully making use of the researchers exchange programs, we have stimulated the international collaborations and nurtured young researchers.

  10. Physics of Odd-frequency pairings Theory and Experiment

    Grant number:15H03686  2015.4 - 2018.3

    Tanaka Yukio

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    Authorship:Coinvestigator(s) 

    Odd-frequency pairing is an exotic pairing which has a sign change of the exchange of time of electrons forming Cooper pair. From the theoretical side, we have studied
    (1)Influence of the impurity scattering in unconventional superconductor / normal metal junctions on the charge transport profile including charge conductance and shot noise (2)Non-local conductance in the superconductor double quantum dot hybrid system (3)Double semiconductor nano-wires on the superconductor from the view point of odd-frequency pairings. Also, we have studied two channel Kondo lattice where bulk odd-frequency gap function is realized. We have calculated tunneling conductance and Josephson current in this model. Experimentally, we have measured a surface impedance of Au/ Sr2RuO4 junctions. We have found anomalous temperature dependence as compared to conventional superconductor Al. We have also developed a suspended normal metal type tunneling junction refrigerator.

  11. Anomalous Magnetization induced Chiral edge currents of a Mesoscopic Chiral Superconducting Sr2RuO4 on Micro-dc-SQUIDs

    Grant number:25390046  2013.4 - 2016.3

    ISHIGURO Ryosuke

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    Authorship:Coinvestigator(s) 

    We have developed new local magnetic field measurement system using SQUIDs (Al tunnel junction, Nb weak link, and FIB-CVD W type) in this study. We have tried to observe the chiral edge currents, using this system, to prove experimentally that Sr2RuO4 is a chiral P wave spin triplet superconductor.
    However, chiral edge currents, etc., phenomenons that show clearly chiral superconductivity has not been observed.

  12. Development of tunneling junction refrigerator with ferromagnetic effect

    Grant number:25286046  2013.4 - 2016.3

    Kashiwaya Satoshi

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    Authorship:Principal investigator 

    Grant amount:\18460000 ( Direct Cost: \14200000 、 Indirect Cost:\4260000 )

    We develop a superconducting-normal metal-superconductor tunneling junction refrigerator of a suspended normal-metal type for cooling of high sensitive sensors working at ultralow temperature. The performance of the refrigerator is evaluated by comparing experimental conductance with numerical results of a theoretical formulation. The lowest temperature of 0.093 K at a bath temperature of 0.334 K indicates the successful operation of the refrigeration. The maximum cooling power of the present refrigerator estimated based on the non-equilibrium stationary state model is 213 pW at the junction area of 40 x 7 m2.

  13. Numerical simulation based on the TDGL equations for high-efficient superconducting-strip detectors

    Grant number:25420350  2013.4 - 2016.3

    Mawatari Yasunori

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    Authorship:Collaborating Investigator(s) (not designated on Grant-in-Aid) 

    We have theoretically investigated single-photon and biomolecular-ion detectors using superconducting nanostrips on the basis of the numerical simulation solving the time-dependent Ginzburg-Landau (TDGL) equations. We numerically verified that the hot-spot model without nucleation of vortices is adequate for ion detectors, whereas the vortex motion plays crucial roles for local normal transition of superconducting strips for single-photon detectors. Biomolecular-ion detectors using MgB2 superconducting nanostrips are thermally stable and have high detection efficiency. Furthermore, we have theoretically proposed a new single-photon detectors in which photon assisted vortices in superconducting nanostrips are detected by single-flux-quantum (SFQ) circuits.

  14. Development of micro-SQUID-NMR for low temperature condensed matter physics

    Grant number:24654109  2012.4 - 2014.3

    YAMAGUCHI Akira

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    Authorship:Collaborating Investigator(s) (not designated on Grant-in-Aid) 

    Development of micro-SQUID-NMR technique has been carried out for the quantum condensed matter research. A preliminary cw-NMR experiment using commercial SQUID has been performed in order to judge feasibility of the micro-SQUID-NMR in 27-Al signal. New sample probe was constructed, but in the first experiment the NMR signal has been not detected. It may be important to employ micro-SQUIDs with an adequate size of the superconducting loop.

  15. Topological Quantum Phenomena in Condensed Matter with Broken Symmetries (Administration)

    Grant number:22103001  2010.4 - 2016.3

    Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

    MAENO Yoshiteru

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    Authorship:Collaborating Investigator(s) (not designated on Grant-in-Aid) 

  16. Novel Edge States in Superconductors with Broken Time-Reversal Symmetry

    Grant number:22103002  2010.4 - 2015.3

    Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

    MAENO Yoshiteru

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    Authorship:Coinvestigator(s) 

    To clarify the topological quantum phenomena, especially novel surface/interface phenomena, in superconductors with broken time-reversal symmetry, we investigated ruthenate superconductor Sr2RuO4 and its eutectic, as well as hybrid systems consisting of a conventional superconductor and a ferromagnet.
    We discovered the half-quantum flux state in micro-rings of Sr2RuO4, and in-gap density of states indicating its chiral-edge mode. We also accumulated new facts concerning its superconducting symmetry, such as reconfirming evidence for spin-triplet pairing from NMR and the first-order superconducting transition under in-plane magnetic fields. We deepened our knowledge of the odd-frequency pairing state characteristic of topological superconductivity. We developed a hybrid system of ferromagnetic thin film of SrRuO3 deposited on the Sr2RuO4 crystal surface, which is ideal for the investigation of novel proximity effects involving odd-frequency pairing.

  17. Odd-frequency pairing in non-uniform superconducting systems

    Grant number:22340096  2010 - 2012

    TANAKA Yukio

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    Authorship:Coinvestigator(s) 

    Odd-frequency pairing is a exotic state where Cooper pair changes its sign with the exchange of times of two electrons. We have clarified anomalous surface impedance of spin-triplet superconductor junctions, anomalous Meissner effect in ferromagnet / superconductor junctions and relevance of anomalous Majorana fermion and odd-frequency pairing. In the experimental works, spin-triplet superconductor junctions have been made. Tunneling spectroscopy has been performed on junctions made from spin-triplet superconductor Sr2RuO4 searching for the edge states peculiar to topological superconductivity. By comparing the experiments with predictions forunconventional superconductivity, these varieties are shown to originate from multiband chiral p-wave symmetry with weak anisotropy of pair amplitude. The broad hump in the conductance spectrum is a direct manifestation of the edge state due to chiral p-wave superconductivity. Also, T shaped proximity coupled superconductor has been made from Sr2RuO4.

  18. Development of an ultimate SQUID and its device application

    Grant number:20221007  2008 - 2012

    TAKAYANAGI Hideaki

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    Authorship:Coinvestigator(s) 

    Fabrication process of nano-SQUID for a detection of a single spin and the time relaxation process of several spin was confirmed. Using self-assembled InAs-quantum dot coupled SQUID, π-operation of the SQUID succeeded. This is the first step to the quantum interface. About the device application of a SQUID, we fabricated SRO-SQUID of non S-wave SQUID made of Sr2RuO4 and confirmed the transition fromπ-SQUID-State to zero-SQUID-state in the 3K-phase ofp-wave superconductor.

  19. Observation of half flux quanta in chiral p-wave superconductors

    Grant number:20540392  2008 - 2010

    KASHIWAYA Satoshi

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    Authorship:Principal investigator 

    Grant amount:\4550000 ( Direct Cost: \3500000 、 Indirect Cost:\1050000 )

    We develop a fabrication process of Sr2RuO4(SRO)-based microdevices searching for the possible existence of half flux quanta in chiral p-wave superconductors. The single crystals of SRO were sliced into pellets of 10-20 μm thickness and then patterned using focused ion beam (FIB). We have succeeded in fabricating weak link Josephson junctions and superconducting quantum interference devices (SQUID) using the FIB process. The transport properties of the SQUID measured below 1.5K show the presence of a superconducting current in weak link bridges, but the switching of the weak link to the finite voltage states against the increment of the bias current is unstable. Expected modulation of the critical current to the applied magnetic field has not been detected. This is possibly due to the effects of the edge current and the chiral domains inevitably existing in the electrodes of SRO.

  20. New Quantum Phenomena in Anisotropic Superconductors

    Grant number:17071007  2005 - 2009

    MAENO Yoshiteru

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    Authorship:Coinvestigator(s) 

    In order to establish the physics of spin-triplet superconductivity, for which the spins of the electrons in addition to their charges exhibit superfluidity, we investigated systems based on Sr2RuO4. Using superclean single crystals, we obtained strong evidence to clarify the spin directions of electron pairs and their collective motions. In addition, using hybrid materials consisting of Sr2RuO4 and normal metals, we demonstrated novel phenomena specific to spin-triplet state. We also developed theories of microscopic mechanism of the spin-triplet superconductivity as well as the "odd-frequency pairing states" emerging near the boundaries.

  21. Quantum phenomena in unconventional superconductor junctions

    Grant number:17340106  2005 - 2006

    TANAKA Yukiko

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    Symmetry of the Cooper pair can be generally classified into even-frequency spin-singlet even-parity (ESE) state, even-frequency spin-triplet odd-parity (ETO) state, odd-frequency spin-triplet even-parity (OTE) state and odd-frequency spin-singlet odd-parity (OSO) state. We present a general theory of the proximity effect in junctions between diffusive normal metals (DN) and unconventional superconductors in the framework of the Green's function formalism. Above four possible symmetry classes in a superconductor are considered: ESE, ETO, OTE and OSO state. For each of the above four cases symmetry and spectral properties of the induced pair amplitude in the DN are determined where only the even-parity s-wave pairing is possible due to the impurity scattering in DN. It is shown that the pair amplitude in a DN belongs respectively to an ESE, OTE, OTE and ESE pairing state In the presence of the Odd-frequency pairing state, the resulting density of state has a zero energy peak. The generation of the OTE state in the DN attached to the ETO p-wave superconductor is of particular interest in the relevance to the novel proximity effect in Sr2RuO4 junctions. In order to resolve this point, we are now preparing the junction made from Sr2RuO4 Using FIG technique. We further demonstrate that, quite generally, the spin-singlet even-parity (spin-triplet odd-parity) pair potential in a superconductor induces the odd-frequency pairing component with spin-singlet odd-parity (spin-triplet even-parity) near interfaces. The magnitude of the induced odd-frequency component is enhanced in the presence of the midgap Andreev resonant state due to the sign change of the anisotropic pair potential at the interface. We discussed the electronic Raman spectra of the quasi-two-dimensional spin-triplet superconductor Sr2RuO4. The Raman spectra are calculated using the Keldysh Green's function theory taking into account the order parameter collective mode. We take into account the effect of impurity scattering. The impurity scattering gives rise to considerable modification of the contribution from the quasiparticle excitations to the Raman spectra and simultaneously to the broadening of the collectivemode resonance peak and the shift of the peak position.

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Teaching Experience (On-campus) 4

  1. 物理工学演習4A

    2019

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    量子力学Aに対応した演習、前期量子論、シュレディンガー方程式、ポテンシャル問題

  2. 量子力学A

    2019

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    前期量子論、シュレディンガー方程式、ポテンシャル問題、1次元調和振動子

  3. 物理工学演習4A

    2018

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    量子力学Aに対応した演習、前期量子論、シュレディンガー方程式、ポテンシャル問題

  4. 量子力学A

    2018

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    前期量子論、シュレディンガー方程式、ポテンシャル問題、1次元調和振動子