研究者詳細 - 小林　晃人

論文 - 小林　晃人

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Compensated Ferrimagnets with Colossal Spin Splitting in Organic Compounds 査読有り

Taiki Kawamura, Kazuyoshi Yoshimi, Kenichiro Hashimoto, Akito Kobayashi, and Takahiro Misawa

Phys. Rev. Lett. 132 巻 ( 15 ) 頁： 156502 2024年4月

H-wave - A Python package for the Hartree-Fock approximation and the random phase approximation 査読有り

Tatsumi Aoyama, Kazuyoshi Yoshimi, Kota Ido, Yuichi Motoyama, Taiki Kawamura, Takahiro Misawa, Takeo Kato, Akito Kobayashi

Computer Physics Communications 298 巻頁： 109087 2024年1月

Gap opening mechanism for correlated Dirac electrons in organic compounds α-(BEDT-TTF)2I3 and α-(BEDT-TSeF)2I3 査読有り国際共著

Daigo Ohki, Kazuyoshi Yoshimi, Akito Kobayashi, and Takahiro Misawa

PHYSICAL REVIEW B 107 巻 ( 4 ) 頁： L041108-1 - L041108-6 2023年1月

Fragment-orbital-dependent spin fluctuations in the single-component molecular conductor [Ni(dmdt)$_2$] 査読有り

Taiki Kawamura and Akito Kobayashi

Physical Review B 105 巻 ( 20 ) 頁： 205145 2022年5月

Interaction-induced quantum spin Hall insulator in the organic Dirac electron system $\alpha$-(BEDT-TSeF)$_2$I$_3$ 査読有り

Daigo Ohki, Kazuyoshi Yoshimi, and Akito Kobayashi

Physical Review B 105 巻 ( 20 ) 頁： 205123 2022年5月

Single-Component Molecular Conductors - Multi-Orbital Correlated π-d Electron Systems 招待有り査読有り

Akiko Kobayashi, Biao Zhou, Rina Takagi, Kazuya Miyagawa, Shoji Ishibashi, Akito Kobayashi, Taiki Kawamura, Eiji Nishibori, and Kazushi Kanoda

Bull. Chem. Soc. Jpn 94 巻頁： 2540 - 2562 2021年9月

Possible Spin-Density Wave on Fermi Arc of Edge State in Single-Component Molecular Conductors [Pt(dmdt)2] and [Ni(dmdt)2] 査読有り

Taiki Kawamura, Biao Zhou, Akiko Kobayashi, Akito Kobayashi

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 90 巻頁： 064710 - 064710 2021年5月

Interacting chiral electrons at the 2D Dirac points: a review 招待有り査読有り国際共著

Michihiro Hirata, Akito Kobayashi, Claude Berthier and Kazushi Kanoda

Reports on Progress in Physics 84 巻頁： 036502 2021年3月

Impact of impurity scattering on odd-frequency spin-triplet pairing near the edge of the Kitaev chain 査読有り

Mishra Sparsh, Tamura Shun, Kobayashi Akito, Tanaka Yukio

PHYSICAL REVIEW B 103 巻 ( 2 ) 頁： 024501-1 - 024501-14 2021年1月

Transport properties of the organic Dirac electron system alpha-(BEDT-TSeF)(2)I-3 査読有り

Ohki D., Yoshimi K., Kobayashi A.

PHYSICAL REVIEW B 102 巻 ( 23 ) 頁： 235116 2020年12月

Chiral excitonic instability of two-dimensional tilted Dirac cones 査読有り

Ohki Daigo, Hirata Michihiro, Tani Takehiro, Kanoda Kazushi, Kobayashi Akito

Phys. Rev. Research 2 巻 ( 3 ) 頁： 033479 2020年9月

Tight-Binding Model and Electronic Property of Dirac Nodal Line in Single-Component Molecular Conductor [Pt(dmdt)(2)] 査読有り

Kawamura Taiki, Ohki Daigo, Zhou Biao, Kobayashi Akiko, Kobayashi Akito

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 89 巻 ( 7 ) 頁： 074704 2020年7月

Effect of Coulomb interactions on the Seebeck coefficient of the organic Dirac electron system alpha-(BEDT-TTF)(2)I-3 査読有り

Ohki D., Omori Y., Kobayashi A.

PHYSICAL REVIEW B 101 巻 ( 24 ) 頁： 245201 2020年6月

Domain wall conductivity with strong Coulomb interaction of two-dimensional massive Dirac electrons in the organic conductor alpha-(BEDT-TTF)(2)I-3 査読有り

Ohki D., Omori Y., Kobayashi A.

PHYSICAL REVIEW B 100 巻 ( 7 ) 頁： 075206 2019年8月

Spin-Lattice Relaxation Rate in Organic Dirac Electron System alpha-(BEDT-TTF)(2)I-3 under Strong Magnetic Field 査読有り

Tani Takehiro, Kobayashi Akito

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 88 巻 ( 5 ) 頁： 054713 2019年5月

Field-Angle Dependence of Interlayer Magnetoresistance in Organic Dirac Electron System -(BEDT-TTF)(2)I-3 査読有り

Tani Takehiro, Tajima Naoya, Kobayashi Akito

CRYSTALS 9 巻 ( 4 ) 頁： 212 2019年4月

Coexistence of Velocity Renormalization and Ferrimagnetic Fluctuation in the Organic Dirac Electron System alpha-(BEDT-TTF)2I3 査読有り

Matsuno Genki, Kobayashi Akito

J. Phys. Soc. Jpn. 87 巻 ( 5 ) 頁： 054706 2018年5月

Melting of Domain Wall in Charge Ordered Dirac Electron of Organic Conductor alpha-(BEDT-TTF)2I3 査読有り

Daigo Ohki, Genki Matsuno, Yukiko Omori, Akito Kobayashi

J. Phys. Soc. Jpn. 87, 054703 (2018) 2018年4月

Optical Conductivity in a Two-Dimensional Extended Hubbard Model for an Organic Dirac Electron System α-(BEDT-TTF)2I3 査読有り

Daigo Ohki, Genki Matsuno, Yukiko Omori and Akito Kobayashi

Crystals 8 巻 ( 3 ) 頁： 137 2018年4月

Anomalous spin correlations and excitonic instability of interacting 2D Weyl fermions 査読有り国際共著

Hirata Michihiro, Ishilowa Kyohei, Matsuno Geoid, Kobayashi Aldto, Miyagawa Kazuya, Tamura Masafumi, Berthier Claude, Kanoda Kazushi

Science 358 巻 ( 6369 ) 頁： 1403 - 1406 2017年12月

Longitudinal Conductivity on Edge and Domain Wall Molecular Dirac Electron System a-(BEDT-TTF)(2)I-3 査読有り

Omori Yukiko, Matsuno Genki, Kobayashi Akito

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 86 巻 ( 7 ) 頁： 074708 2017年7月

Effect of Interband Fluctuation on Spin Susceptibility in Molecular Dirac Fermion System alpha-(BEDT-TTF)(2)I-3 査読有り

Matsuno Genki, Kobayashi Akito

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 86 巻 ( 1 ) 頁： 014705 2017年1月

Observation of an anisotropic Dirac cone reshaping and ferrimagnetic spin polarization in an organic conductor 査読有り国際共著

Michihiro Hirata, Kyohei Ishikawa, Kazuya Miyagawa, Masafumi Tamura, Claude Berthier, Denis Basko, Akito Kobayashi, Genki Matsuno and Kazushi Kanoda

Nature Communications ７巻頁： 12666 2016年8月

Topological Domain Wall and Valley Hall Effect in Charge Ordered Phase of Molecular Dirac Fermion System alpha-(BEDT-TTF)2I3 査読有り

Genki Matsuno, Yukiko Omori, Takaaki Eguchi, and Akito Kobayashi

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 85 巻頁： 094710 2016年8月

Molecular Dirac Fermion Systems -Theoretical and Experimental Approaches- 招待有り査読有り

K. Kajita,Y. Nishio, N. Tajima, Y. Suzumura, and A. Kobayashi

J. Phys. Soc. Jpn. 83 巻頁： 072002-1-31 2014年6月

A Possible Massless Dirac Electron in Molecular Two-Orbital Model 査読有り

K. Miyahara, M. Tsuchiizu, and A. Kobayashi

JPS Conf. Proc. 3 巻頁： 017011-1-6 2014年

Edge States in Molecular Solid α-(BEDT-TTF)2I3: Effects of Electron Correlations 査読有り

Y. Omori, G. Matsuno, and A. Kobayashi

JPS Conf. Proc. 1 巻頁： 012119-1-6 2014年

Effects of Zero Line and Ferrimagnetic Fluctuation on Nuclear Magnetic Resonance for Dirac Electrons in Molecular Conductor alpha-(BEDT-TTF)2I3 査読有り

A. Kobayashi and Y. Suzumura

J. Phys. Soc. Jpn. 82 巻頁： 054715 2013年

Zero-Gap State in alpha-(BEDT-TTF)2I3 under Hydrostatic Pressure 査読有り国際誌

Y. Suzumura and A. Kobayashi

J. Phys. Soc. Jpn. 82 巻頁： 044709 2013年

Dirac electrons in solids 査読有り

H. Fukuyama, Y. Fuseya, M. Ogata, A. Kobayashi, and Y. Suzumura,

Physica B 407 巻頁： 1943 - 1947 2012年6月

Theory of Dirac Electrons in Organic Conductors 査読有り

Y. Suzumura and A. Kobayashi

Crystals 2(2) 巻頁： 266-283 2012年

Emergence of Dirac electron pair in the charge-ordered state of the organic conductor alpha-(BEDT-TTF)2I3 査読有り国際共著

A. Kobayashi, Y. Suzumura, F. Piechon, and G. Montambaux

Phys. Rev. B 84 巻頁： 075450 2011年8月

New Plasmon and Filtering Effect in a Pair of Tilted-Dirac Cone 査読有り

T. Nishine, A. Kobayashi, and Y. Suzumura

J. Phys. Soc. Jpn. 80 巻頁： 114713 2011年

Berry Curvature of the Dirac Particle in alpha-(BEDT-TTF)2I3 査読有り

Y. Suzumura and A. Kobayashi

J. Phys. Soc. Jpn. 80 巻頁： 104701 2011年

Zero-Gap State in Organic Conductor alpha-(BEDT-TTF)2NH4Hg(SCN)4 査読有り

T. Choji, A. Kobayashi, and Y. Suzumura

J. Phys. Soc. Jpn. 80 (2011) 074712. 80 巻頁： 074712 2011年

Role of charge fluctuation in Q1D organic superconductor (TMTSF)2ClO4 査読有り

471 巻頁： 49-54 2011年

Dirac Electrons in Molecular Solids 査読有り

H. Fukuyama, A. Kobayashi, and Y. Suzumura

Journal of Physics: Conference Series 302 巻頁： 012017 2011年

Tilted-Cone Induced Cusps and Nonmonotonic Structures in Dynamical Polarization Function of Massless Dirac Fermions 査読有り

79 巻頁： 114715 2010年

Transport Currents and Persistent Currents in Solids: Orbital Magnetism and Hall Effect of Dirac Electrons 査読有り

H. Fukuyama, Y. Fuseya and A. Kobayashi

Perspectives of Mesoscopic Physics - Dedicated to Yoseph Imry's 70th Birthday 頁： 69-78 2010年

Effect of interactions on Dirac points in organic solids 査読有り

C. Hotta and A. Kobayashi

Physica B 405 巻頁： S164 - S167 2010年

Electronic Properties Close to Dirac Cone in Two-Dimensional Organic Conductor alpha-(BEDT-TTF)2I3 査読有り

S. Katayama, A. Kobayashi, and Y. Suzumura

Eur. Phys. J. B. 67 巻頁： 139-148 2009年

Tilted-Cone-induced easy-plane pseudo-spin ferromagnet and Kosterlitz-Thouless transition in massless Dirac fermions 査読有り国際共著

A. Kobayashi, Y. Suzumura, H. Fukuyama, and M. O. Goerbig

J. Phys. Soc. Jpn. 78 巻頁： 114711 2009年

Theoretical study of the zero-gap organic conductor alpha-(BEDT-TTF)2I3 査読有り

A. Kobayashi, S. Katayama, and Y. Suzumura

Sci. Technol. Adv. Mater. 10 巻頁： 024309 2009年

Hall Effect and Orbital Diamagnetism in Zerogap State of Molecular Conductor alpha-(BEDT-TTF)2I3 査読有り

A. Kobayashi, Y. Suzumura, and H. Fukuyama

J. Phys. Soc. Jpn. 77 (2008) 064718. 77 巻頁： 064718 2008年6月

Charge ordered metal and pressure-induced superconductivity in two-dimensional organic conductor beta''-(DODHT)2PF6 査読有り

A. Kobayashi, Y. Suzumura, M. Higa, R. Kondo, S. Kagoshima and H. Nishikawa

J. Phys.: Condens. Matter 20 巻頁： 125205 2008年2月

Role of Interlayer Electron Hopping for Spin Density Wave State in the Zero-Gap Organic Conductor 査読有り

S. Katayama, A. Kobayashi, and Y. Suzumura,

J. Phys. Soc. Jpn. 77 巻 ( 01 ) 頁： 014710 2008年1月

Mechanism of Superconductivity in Quasi-Two-Dimensional Organic Conductor beta-(BDA-TTP) Salts 査読有り

Y. Nonoyama, Y. Maekawa, A. Kobayashi, Y. Suzumura, and H. Ito

J. Phys. Soc. Jpn. 77 巻頁： 094703 2008年

Theory on Electronic Properties of Gapless States in Molecular Solids, α-(BEDT-TTF)2I3 査読有り

A. Kobayashi, Y. Suzumura, and H. Fukuyama,

World Scientific Publishing Co., Pte. Ltd. Proceedings of the 9th International Symposium on Foundations of Quantum Mechanics in the Light of New Technology - ISQM-TOKYO’08 頁： 168 2008年

Exotic properties of zerogap state in alpha-(BEDT-TTF)2I3 査読有り

A. Kobayashi, S. Komaba, S. Katayama, and Y. Suzumura

J. Phys.: Conf. Ser. 132 巻頁： 012002 2008年

Effect of anion potential on the zero-gap state in the two-dimensional organic conductor alpha-(BEDT-TTF)2I3 査読有り

S. Katayama, A. Kobayashi, and Y. Suzumura,

J. Phys.: Conf. Ser. 132 巻頁： 012003 2008年

Possible mechanism to enhance spin-fluctuation-mediated superconductivity in two-dimensional organic conductor 査読有り

Y. Nonoyama, Y. Maekawa, A. Kobayashi, Y. Suzumura, and J. Yamada,

J. Phys.: Conf. Ser. 132 巻頁： 012013 2008年

Massless Fermions in Organic Conductor 査読有り

A. Kobayashi, S. Katayama, Y. Suzumura, and H. Fukuyama

J. Phys. Soc. Jpn. 76 巻頁： 034711 2007年3月

担当区分：筆頭著者記述言語：英語掲載種別：研究論文（学術雑誌）

The electronic states in two-dimensional organic conductor α-(BEDT-TTF)2I3 have been investigated to show the noticeable property of the massless fermions, i.e., the linear dispersion which exists on the contact point between the conduction band and the valence band. In the present study, we show that the effective Hamiltonian describing the massless fermions in α-(BEDT-TTF)2I3 contains intrinsically new terms of Pauli matrices σz and σ0 in addition to the Weyl equation which consists of σx and σy. The new massless fermions are robust against the charge disproportionation, and induce the anomalous momentum-dependence in the charge density.

DOI： 10.1143/JPSJ.76.034711

Role of Charge Density Wave in Superconductivity of Organic Conductor alpha-(BEDT-TTF)2NH4Hg(SCN)4 Salt 査読有り

Y. Nonoyama, A. Kobayashi, and Y. Suzumura

J. Phys. Soc. Jpn. 76 巻頁： 014703 2007年1月

Pairing mechanisms in quasi-two-dimensional organic superconductor 査読有り

A. Kobayashi, Y. Nonoyama, and Y. Suzumura,

J. Magn. Mag. Mat. 310 (2007) 1090-1092. 310 巻頁： 1090-1092. 2007年

Electric Conductivity of the Zero-Gap Semiconducting State in alpha-(BEDT-TTF)2I3 Salt 査読有り

S. Katayama, A. Kobayashi and Y. Suzumura,

J. Phys. Soc. Jpn. 75 (2006) 023708. 75 巻頁： 023708 2006年10月

Pressure-Induced Zero-Gap Semiconducting State in Organic Conductor alpha-(BEDT-TTF)2I3 Salt 査読有り

S. Katayama, A. Kobayashi and Y. Suzumura

J. Phys. Soc. Jpn. 75 巻頁： 054705 2006年5月

記述言語：英語掲載種別：研究論文（学術雑誌）

We show a zero-gap semiconducting (ZGS) state in the quasi-two-dimensional organic conductor α-(BEDT-TTF)2I3 salt, which emerges under uniaxial pressure along the a-axis (the stacking axis of the BEDT-TTF molecule). The ZGS state is the state in which a Dirac cone with the band spectrum of a linear dispersion exists around the Fermi point connecting an unoccupied (electron) band with an occupied (hole) band. The spectrum exhibits a large anisotropy in velocity, which depends on the direction from the Fermi point. By varying the magnitude of several transfer energies of a tight-binding model with four sites per unit cell, it is shown that the ZGS state exists in a wide pressure range, and is attributable to the large anisotropy of the transfer energies along the stacking axis.

DOI： 10.1143/JPSJ.75.054705

Charge fluctuation induced superconductivity in alpha-(ET)_2I_3 salt 査読有り

A. Kobayashi, S. Katayama, K. Noguchi, and Y. Suzumura,

Physica B 359-361 (2005) 451. 359-361 巻頁： 451. 2005年

Superconductivity in Charge Ordered Metal for Quasi-2D Organic Conductor 査読有り

A. Kobayashi, S. Katayama and Y. Suzumura

J. Phys. Soc. Jpn. 74 (2005) 2897-2900. 74 巻頁： 2897-2900 2005年

担当区分：筆頭著者記述言語：英語掲載種別：研究論文（学術雑誌）

The superconductivity that occurs below the charge ordering temperature in a quasi-two-dimensional (quasi-2D) organic conductor, the α-(ET)2I3 salt, has been examined by applying the mean field theory and the random phase approximation to the extended Hubbard model with four sites in the unit cell and anisotropic nearest-neighbor interactions. It is shown that, under uniaxial pressure, the insulating phase moves to the metal phase with small pockets of electrons and holes, while the charge ordering state with the horizontal stripe pattern is retained. The novel property of the metal phase gives rise to the superconducting (SC) state with the full gap. It is found that the pairing interaction for the superconductivity is given mainly by the spin fluctuation existing between hole-rich sites in the unit cell. The role of the anisotropic repulsive interaction is discussed for the mechanism of the present SC state.

DOI： 10.1143/JPSJ.74.2897

On the Magnetic Excitation Spectra of High Tc Cu Oxides at Energies Up to the Region Far above the Resonance Energy 査読有り

S. Iikubo, M. Ito, A. Kobayashi, M. Sato and K. Kakurai,

J. Phys. Soc. Jpn. 74 (2005) 275-278 74 巻頁： 275-278 2005年

Coherent and incoherent states in the d-p model 査読有り

A. Tsuruta, A. Kobayashi, T. Matsuura, Y. Kuroda,

Physica B 359-361 巻頁： 774 - 776 2005年

Studies on magnetic excitation spectra of high-T-c superconductors 査読有り

M Ito, Y. Yasui, S. Iikubo, M. Soda, A. Kobayashi, M. Sato, K. Kakurai, CH. Lee , K. Yamada

J. Phys. Soc. Jpn. 73 (2004) 991-999. 73 巻頁： 991-999. 2004年

Charge-fluctuation-induced superconducting state in two-dimensional quarter-filled electron systems 査読有り

A. Kobayashi, Y. Tanaka, M. Ogata, Y. Suzumura

J. Phys. Soc. Jpn. 73 (2004) 1115-1118. 73 巻頁： 1115-1118. 2004年

Superconductivity in Charge Ordered Organic Conductor - alpha-(ET)2I3 Salt - 査読有り

A. Kobayashi, S. Katayama, K. Noguchi, and Y. Suzumura,

J. Phys. Soc. Jpn. 73 (2004) 3135-3148. 73 巻頁： 3135-3148. 2004年

Studies on the (non-) existence of "stripes" in high Tc superconductors 査読有り

M. Ito, Y. Yasui, S. Iikubo, M. Soda, A. Kobayashi, M. Sato, K. Kakurai, C. H. Lee, K. Yamada,

J. Magn. Mag. Mat. 272-276 巻頁： 1051 - 1053 2004年

Origins of electron-hole asymmetry in cuprate superconductors 査読有り

A. Kobayashi, A. Tsuruta, T. Matsuura, Y. Kuroda,

J. Magn. Mag. Mat. 272-276. 巻頁： e187 - e188 2004年

Comparative Study on the Magnetic Excitation Specta of Y123 and La214 High-Tc Systems - Are the Dynamical Stripes important? - 査読有り

M. Sato, M. Ito, H. Harashina, Y. Yasui, S. Iikubo, A. Kobayashi and K. Kakurai,

Physica B 329 (2003) 683-684. 329 巻頁： 683-684. 2003年

The Electron-Hole Asymmetry in the Cuprate Superconductors 査読有り

A. Kobayashi, A. Tsuruta, T. Matsuura and Y. Kuroda,

Physica C 388 (2003) 39. 388 巻頁： 39 2003年

Superconductor-Insulator Transition in the d-p model 査読有り

T. Arimoto, T. Ohara, A. Tsuruta, A. Kobayashi and Y. Kuroda

J. Phys. Soc. Jpn. 72 (2003) 904-910 72 巻頁： 904-910 2003年

Comments on Superconducting Fluctuation and Transport Phenomena in a Quasi-2D Electronic System 査読有り

Y. Kosuge, A. Kobayashi, T. Matsuura and Y. Kuroda

J. Phys. Soc. Jpn. 72 (2003) 1166. 72 巻頁： 1166 2003年

Effects of "Stripes" on the Magnetic Excitation Spectra of La1.48Nd0.4Sr0.12CuO4 査読有り

M. Ito, Y. Yasui, S. Iikubo, M. Soda, M. Sato, A. Kobayashi and K. Kakurai

J. Phys. Soc. Jpn. 72 (2003) 1627-1630. 72 巻頁： 1627-1630. 2003年

Phase Diagram of the Electron-Doped Cuprate Superconductors 査読有り

A. Kobayashi, A. Tsuruta, T. Matsuura and Y. Kuroda

J. Phys. Soc. Jpn. 71 巻頁： 1640 2002年

Detailed Structure of the Magnetic Excitation Spectra of YBa2Cu3Oy and Its Implication on the Physical Characteristics of the Electron System 査読有り

M. Ito, H. Harashina, Y. Yasui, M. Kanada, S. Iikubo, M. Sato, A. Kobayashi and K. Kakurai

J. Phys. Soc. Jpn. 71 巻頁： 265 2002年

Small magnetic moment and superconductivity in URu2Si2 査読有り

A. Tsuruta, A. Kobayashi, T. Matsuura, Y. Kuroda,

J. Phys. Chem. Sol. 63 巻頁： 1469 - 1474 2002年

Pseudogap and strong correlation effects in the d-p model 査読有り

A. Kobayashi, A. Tsuruta, T. Matsuura and Y. Kuroda,

J. Phys. Chem. Sol. 63 巻頁： 1409 - 1412 2002年

Pseudogap Phenomena and Phase Diagram in the two-band Hubbard Model 査読有り

A. Kobayashi, A. Tsuruta, T. Matsuura and Y. Kuroda

J. Phys. Soc. Jpn. 70 巻頁： 1214 2001年

On the Electronic and Magnetic Excitation Spectra of High-Tc Cu Oxides in the Normal and Superconducting States 査読有り

M. Sato, M. Ito, H. Harashina, M. Kanada, Y. Yasui, A. Kobayashi and K. Kakurai

J. Phys. Soc. Jpn. 70 巻頁： 1342 2001年

Pseudogap and superconducting gap in the d-p model 査読有り

A. Kobayashi, A. Tsuruta, T. Matsuura and Y. Kuroda,

J. Phys. Chem. Sol. 62 巻頁： 199 2001年

Origin of the tiny antiferromagnetic moment in URu2Si2 査読有り

A. Tsuruta, A. Kobayashi, T. Matsuura and Y. Kuroda,

J. Phys. Chem. Sol. 62 巻頁： 297 2001年

Effect of pressure on the tiny antiferromagnetic moment in URu2Si2 査読有り

A. Tsuruta, A. Kobayashi, T. Matsuura and Y. Kuroda,

J. Phys. Chem. Sol. 62 巻頁： 301 2001年

Nesting effect for the Magnetic Transition to the SDW phase in Ce(Rn1-xRhx)2Si2 査読有り

M. Watanabe, A. Tsuruta, A. Kobayashi, T. Matsuura and Y. Kuroda,

J. Phys. Chem. Sol. 62 巻頁： 305 2001年

Theory of Quasi-2D Superconducting Fluctuation 査読有り

M. Watanabe, A. Tsuruta, A. Kobayashi, T. Matsuura and Y. Kuroda,

J. Phys. Chem. Sol. 62 巻頁： 305 2001年

Pseudogap Induced by Superconducting Fluctuation and Anomalous Metals in High-Tc Superconducting Materials 査読有り

A. Kobayashi, A. Tsuruta, T. Matsuura and Y. Kuroda,

J. Phys. Chem. Sol. 62 巻頁： 69 2001年

Fermi Liquid and Non-Fermi Liquid in Anderson Lattice 査読有り

A. Tsuruta, A. Kobayashi, T. Matsuura and Y. Kuroda

J. Phys. Soc. Jpn 69 巻頁： 3342 2000年

Quadrupolar Order, Hidden Octupolar Order and Tiny Magnetic Moment in URu2Si2 査読有り

A. Tsuruta, A. Kobayashi, T. Matsuura and Y. Kuroda

J. Phys. Soc. Jpn. 69 巻頁： 663 2000年

Critical Study on 2D Superconducting Fluctuation - in a Weak Coupling Case - 査読有り

H. Sato, Y. Kosuge, A. Kobayashi, T. Matsuura and Y. Kuroda

J. Phys. Soc. Jpn. 69 巻頁： 2221 2000年

Pseudogap induced by superconducting fluctuation and anomalous metallic phase in the high-Tc superconducting materials 査読有り

A. Kobayashi, A. Tsuruta, T. Matsuura and Y. Kuroda,

Physica B 284-288 巻頁： 661 2000年

Fermi liquid and non-fermi liquid in M-channel: N-fold degenerate Anderson lattice 査読有り

A. Tsuruta, A. Kobayashi, K. Deguchi, Y. Ono, T. Matsuura and Y. Kuroda,

Physica B 281-282 巻頁： 408 2000年

Pseudogap Induced by Superconducting Fluctuation in the d-p Model 査読有り

A. Kobayashi, A. Tsuruta, T. Matsuura and Y. Kuroda

J. Phys. Soc. Jpn. 68 巻頁： 2506 1999年

Fermi Liquid in Degenerate Anderson Lattice 査読有り

A. Tsuruta, A. Kobayashi, K. Deguchi, Y. Ono, T. Matsuura and Y. Kuroda

J. Phys. Soc. Jpn. 68 巻頁： 1067 1999年

Non-Fermi Liquid in Multichannel Degenerate Anderson Lattice 査読有り

A. Tsuruta, A. Kobayashi, Y. Ono, T. Matsuura and Y. Kuroda

J. Phys. Soc. Jpn. 68 巻頁： 2491 1999年

Fermi Liquid and Non-Fermi Liquid in M-Channel N Fold Degenerate Anderson Lattice 査読有り

A. Tsuruta, A. Kobayashi, K. Deguchi, Y. Ono, T. Matsuura and Y. Kuroda,

JJAP Series 11 巻頁： 168 1999年

Superexchange Interaction in the d-p Model 査読有り

S. Fukagawa, A. Kobayashi, K. Miura, T. Matsuura and Y. Kuroda

J. Phys. Soc. Jpn. 67 巻頁： 3536 1998年

Itinerant Electron Antiferromagnetism in the Anderson Lattice Model 査読有り

A. Kobayashi and T. Matsuura

J. Phys. Soc. Jpn. 67 巻頁： 927 1998年

Dynamical Spin Susceptibility of the d-p Model in the Over Doping Region 査読有り

A. Kobayashi, Y. Ono, T. Matsuura and Y. Kuroda

Physica C 300 巻頁： 287 1998年

Superconductivity in the d-p Model - Effects of Quasi-2D Fluctuation - 査読有り

A. Kobayashi, A. Tsuruta, T. Matsuura and Y. Kuroda

J. Phys. Soc. Jpn. 67 巻頁： 2626 1998年

Spin and Charge Susceptibilities in the d-p Model 査読有り

A. Kobayashi, Y. Ono, T. Matsuura and Y. Kuroda

J. Phys. Soc. Jpn. 65 巻頁： 2231 1996年

Charge fluctuation mediated superconductivity in the d-p model - critical study of the retardation effects - 査読有り

M. Azami, A. Kobayashi, T. Matsuura and Y. Kuroda

Physica C 259 巻頁： 227 1996年

Charge-Fluctuation-Mediated Superconductivity in the d-p Model ---Critical Study of the Retardation Effects--- 査読有り

M. Azami, A. Kobayashi, T. Matsuura and Y. Kuroda

J. Phys. Soc. Jpn. 64 巻頁： 2316 1995年

Charge susceptibility and charge correlation function in the d-p model 査読有り

250 巻頁： 307 1995年

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