Faculty Profiles - KOBAYASHI, Akito

Papers - KOBAYASHI, Akito

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Compensated Ferrimagnets with Colossal Spin Splitting in Organic Compounds Reviewed

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

Phys. Rev. Lett. Vol. 132 ( 15 ) page： 156502 2024.4

H-wave - A Python package for the Hartree-Fock approximation and the random phase approximation Reviewed

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

Computer Physics Communications Vol. 298 page： 109087 2024.1

Gap opening mechanism for correlated Dirac electrons in organic compounds α-(BEDT-TTF)2I3 and α-(BEDT-TSeF)2I3 Reviewed International coauthorship

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

PHYSICAL REVIEW B Vol. 107 ( 4 ) page： L041108-1 - L041108-6 2023.1

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

Taiki Kawamura and Akito Kobayashi

Physical Review B Vol. 105 ( 20 ) page： 205145 2022.5

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

Daigo Ohki, Kazuyoshi Yoshimi, and Akito Kobayashi

Physical Review B Vol. 105 ( 20 ) page： 205123 2022.5

Single-Component Molecular Conductors - Multi-Orbital Correlated π-d Electron Systems Invited Reviewed

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

Bull. Chem. Soc. Jpn Vol. 94 page： 2540 - 2562 2021.9

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

Taiki Kawamura, Biao Zhou, Akiko Kobayashi, Akito Kobayashi

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 90 page： 064710 - 064710 2021.5

Interacting chiral electrons at the 2D Dirac points: a review Invited Reviewed International coauthorship

Michihiro Hirata, Akito Kobayashi, Claude Berthier and Kazushi Kanoda

Reports on Progress in Physics Vol. 84 page： 036502 2021.3

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

Mishra Sparsh, Tamura Shun, Kobayashi Akito, Tanaka Yukio

PHYSICAL REVIEW B Vol. 103 ( 2 ) page： 024501-1 - 024501-14 2021.1

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

Ohki D., Yoshimi K., Kobayashi A.

PHYSICAL REVIEW B Vol. 102 ( 23 ) page： 235116 2020.12

Chiral excitonic instability of two-dimensional tilted Dirac cones Reviewed

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

Phys. Rev. Research Vol. 2 ( 3 ) page： 033479 2020.9

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

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

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 89 ( 7 ) page： 074704 2020.7

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

Ohki D., Omori Y., Kobayashi A.

PHYSICAL REVIEW B Vol. 101 ( 24 ) page： 245201 2020.6

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

Ohki D., Omori Y., Kobayashi A.

PHYSICAL REVIEW B Vol. 100 ( 7 ) page： 075206 2019.8

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

Tani Takehiro, Kobayashi Akito

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 88 ( 5 ) page： 054713 2019.5

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

Tani Takehiro, Tajima Naoya, Kobayashi Akito

CRYSTALS Vol. 9 ( 4 ) page： 212 2019.4

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

Matsuno Genki, Kobayashi Akito

J. Phys. Soc. Jpn. Vol. 87 ( 5 ) page： 054706 2018.5

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

Daigo Ohki, Genki Matsuno, Yukiko Omori, Akito Kobayashi

J. Phys. Soc. Jpn. 87, 054703 (2018) 2018.4

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

Daigo Ohki, Genki Matsuno, Yukiko Omori and Akito Kobayashi

Crystals Vol. 8 ( 3 ) page： 137 2018.4

Anomalous spin correlations and excitonic instability of interacting 2D Weyl fermions Reviewed International coauthorship

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

Science Vol. 358 ( 6369 ) page： 1403 - 1406 2017.12

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

Omori Yukiko, Matsuno Genki, Kobayashi Akito

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 86 ( 7 ) page： 074708 2017.7

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

Matsuno Genki, Kobayashi Akito

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 86 ( 1 ) page： 014705 2017.1

Observation of an anisotropic Dirac cone reshaping and ferrimagnetic spin polarization in an organic conductor Reviewed International coauthorship

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

Nature Communications Vol. ７ page： 12666 2016.8

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

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

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 85 page： 094710 2016.8

Molecular Dirac Fermion Systems -Theoretical and Experimental Approaches- Invited Reviewed

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

J. Phys. Soc. Jpn. Vol. 83 page： 072002-1-31 2014.6

A Possible Massless Dirac Electron in Molecular Two-Orbital Model Reviewed

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

JPS Conf. Proc. Vol. 3 page： 017011-1-6 2014

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

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

JPS Conf. Proc. Vol. 1 page： 012119-1-6 2014

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

A. Kobayashi and Y. Suzumura

J. Phys. Soc. Jpn. Vol. 82 page： 054715 2013

Zero-Gap State in alpha-(BEDT-TTF)2I3 under Hydrostatic Pressure Reviewed International journal

Y. Suzumura and A. Kobayashi

J. Phys. Soc. Jpn. Vol. 82 page： 044709 2013

Dirac electrons in solids Reviewed

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

Physica B Vol. 407 page： 1943 - 1947 2012.6

Theory of Dirac Electrons in Organic Conductors Reviewed

Y. Suzumura and A. Kobayashi

Crystals Vol. 2(2) page： 266-283 2012

Emergence of Dirac electron pair in the charge-ordered state of the organic conductor alpha-(BEDT-TTF)2I3 Reviewed International coauthorship

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

Phys. Rev. B Vol. 84 page： 075450 2011.8

New Plasmon and Filtering Effect in a Pair of Tilted-Dirac Cone Reviewed

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

J. Phys. Soc. Jpn. Vol. 80 page： 114713 2011

Berry Curvature of the Dirac Particle in alpha-(BEDT-TTF)2I3 Reviewed

Y. Suzumura and A. Kobayashi

J. Phys. Soc. Jpn. Vol. 80 page： 104701 2011

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

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

J. Phys. Soc. Jpn. 80 (2011) 074712. Vol. 80 page： 074712 2011

Role of charge fluctuation in Q1D organic superconductor (TMTSF)2ClO4 Reviewed

Vol. 471 page： 49-54 2011

Dirac Electrons in Molecular Solids Reviewed

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

Journal of Physics: Conference Series Vol. 302 page： 012017 2011

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

Vol. 79 page： 114715 2010

Transport Currents and Persistent Currents in Solids: Orbital Magnetism and Hall Effect of Dirac Electrons Reviewed

H. Fukuyama, Y. Fuseya and A. Kobayashi

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

Effect of interactions on Dirac points in organic solids Reviewed

C. Hotta and A. Kobayashi

Physica B Vol. 405 page： S164 - S167 2010

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

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

Eur. Phys. J. B. Vol. 67 page： 139-148 2009

Tilted-Cone-induced easy-plane pseudo-spin ferromagnet and Kosterlitz-Thouless transition in massless Dirac fermions Reviewed International coauthorship

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

J. Phys. Soc. Jpn. Vol. 78 page： 114711 2009

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

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

Sci. Technol. Adv. Mater. Vol. 10 page： 024309 2009

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

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

J. Phys. Soc. Jpn. 77 (2008) 064718. Vol. 77 page： 064718 2008.6

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

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

J. Phys.: Condens. Matter Vol. 20 page： 125205 2008.2

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

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

J. Phys. Soc. Jpn. Vol. 77 ( 01 ) page： 014710 2008.1

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

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

J. Phys. Soc. Jpn. Vol. 77 page： 094703 2008

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

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 page： 168 2008

Exotic properties of zerogap state in alpha-(BEDT-TTF)2I3 Reviewed

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

J. Phys.: Conf. Ser. Vol. 132 page： 012002 2008

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

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

J. Phys.: Conf. Ser. Vol. 132 page： 012003 2008

Possible mechanism to enhance spin-fluctuation-mediated superconductivity in two-dimensional organic conductor Reviewed

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

J. Phys.: Conf. Ser. Vol. 132 page： 012013 2008

Massless Fermions in Organic Conductor Reviewed

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

J. Phys. Soc. Jpn. Vol. 76 page： 034711 2007.3

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

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 Reviewed

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

J. Phys. Soc. Jpn. Vol. 76 page： 014703 2007.1

Pairing mechanisms in quasi-two-dimensional organic superconductor Reviewed

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

J. Magn. Mag. Mat. 310 (2007) 1090-1092. Vol. 310 page： 1090-1092. 2007

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

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

J. Phys. Soc. Jpn. 75 (2006) 023708. Vol. 75 page： 023708 2006.10

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

S. Katayama, A. Kobayashi and Y. Suzumura

J. Phys. Soc. Jpn. Vol. 75 page： 054705 2006.5

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

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 Reviewed

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

Physica B 359-361 (2005) 451. Vol. 359-361 page： 451. 2005

Superconductivity in Charge Ordered Metal for Quasi-2D Organic Conductor Reviewed

A. Kobayashi, S. Katayama and Y. Suzumura

J. Phys. Soc. Jpn. 74 (2005) 2897-2900. Vol. 74 page： 2897-2900 2005

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

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 Reviewed

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

J. Phys. Soc. Jpn. 74 (2005) 275-278 Vol. 74 page： 275-278 2005

Coherent and incoherent states in the d-p model Reviewed

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

Physica B Vol. 359-361 page： 774 - 776 2005

Studies on magnetic excitation spectra of high-T-c superconductors Reviewed

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. Vol. 73 page： 991-999. 2004

Charge-fluctuation-induced superconducting state in two-dimensional quarter-filled electron systems Reviewed

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

J. Phys. Soc. Jpn. 73 (2004) 1115-1118. Vol. 73 page： 1115-1118. 2004

Superconductivity in Charge Ordered Organic Conductor - alpha-(ET)2I3 Salt - Reviewed

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

J. Phys. Soc. Jpn. 73 (2004) 3135-3148. Vol. 73 page： 3135-3148. 2004

Studies on the (non-) existence of "stripes" in high Tc superconductors Reviewed

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

J. Magn. Mag. Mat. Vol. 272-276 page： 1051 - 1053 2004

Origins of electron-hole asymmetry in cuprate superconductors Reviewed

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

J. Magn. Mag. Mat. Vol. 272-276. page： e187 - e188 2004

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

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

Physica B 329 (2003) 683-684. Vol. 329 page： 683-684. 2003

The Electron-Hole Asymmetry in the Cuprate Superconductors Reviewed

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

Physica C 388 (2003) 39. Vol. 388 page： 39 2003

Superconductor-Insulator Transition in the d-p model Reviewed

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

J. Phys. Soc. Jpn. 72 (2003) 904-910 Vol. 72 page： 904-910 2003

Comments on Superconducting Fluctuation and Transport Phenomena in a Quasi-2D Electronic System Reviewed

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

J. Phys. Soc. Jpn. 72 (2003) 1166. Vol. 72 page： 1166 2003

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

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

J. Phys. Soc. Jpn. 72 (2003) 1627-1630. Vol. 72 page： 1627-1630. 2003

Phase Diagram of the Electron-Doped Cuprate Superconductors Reviewed

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

J. Phys. Soc. Jpn. Vol. 71 page： 1640 2002

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

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

J. Phys. Soc. Jpn. Vol. 71 page： 265 2002

Small magnetic moment and superconductivity in URu2Si2 Reviewed

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

J. Phys. Chem. Sol. Vol. 63 page： 1469 - 1474 2002

Pseudogap and strong correlation effects in the d-p model Reviewed

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

J. Phys. Chem. Sol. Vol. 63 page： 1409 - 1412 2002

Pseudogap Phenomena and Phase Diagram in the two-band Hubbard Model Reviewed

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

J. Phys. Soc. Jpn. Vol. 70 page： 1214 2001

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

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

J. Phys. Soc. Jpn. Vol. 70 page： 1342 2001

Pseudogap and superconducting gap in the d-p model Reviewed

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

J. Phys. Chem. Sol. Vol. 62 page： 199 2001

Origin of the tiny antiferromagnetic moment in URu2Si2 Reviewed

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

J. Phys. Chem. Sol. Vol. 62 page： 297 2001

Effect of pressure on the tiny antiferromagnetic moment in URu2Si2 Reviewed

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

J. Phys. Chem. Sol. Vol. 62 page： 301 2001

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

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

J. Phys. Chem. Sol. Vol. 62 page： 305 2001

Theory of Quasi-2D Superconducting Fluctuation Reviewed

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

J. Phys. Chem. Sol. Vol. 62 page： 305 2001

Pseudogap Induced by Superconducting Fluctuation and Anomalous Metals in High-Tc Superconducting Materials Reviewed

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

J. Phys. Chem. Sol. Vol. 62 page： 69 2001

Fermi Liquid and Non-Fermi Liquid in Anderson Lattice Reviewed

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

J. Phys. Soc. Jpn Vol. 69 page： 3342 2000

Quadrupolar Order, Hidden Octupolar Order and Tiny Magnetic Moment in URu2Si2 Reviewed

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

J. Phys. Soc. Jpn. Vol. 69 page： 663 2000

Critical Study on 2D Superconducting Fluctuation - in a Weak Coupling Case - Reviewed

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

J. Phys. Soc. Jpn. Vol. 69 page： 2221 2000

Pseudogap induced by superconducting fluctuation and anomalous metallic phase in the high-Tc superconducting materials Reviewed

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

Physica B Vol. 284-288 page： 661 2000

Fermi liquid and non-fermi liquid in M-channel: N-fold degenerate Anderson lattice Reviewed

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

Physica B Vol. 281-282 page： 408 2000

Pseudogap Induced by Superconducting Fluctuation in the d-p Model Reviewed

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

J. Phys. Soc. Jpn. Vol. 68 page： 2506 1999

Fermi Liquid in Degenerate Anderson Lattice Reviewed

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

J. Phys. Soc. Jpn. Vol. 68 page： 1067 1999

Non-Fermi Liquid in Multichannel Degenerate Anderson Lattice Reviewed

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

J. Phys. Soc. Jpn. Vol. 68 page： 2491 1999

Fermi Liquid and Non-Fermi Liquid in M-Channel N Fold Degenerate Anderson Lattice Reviewed

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

JJAP Series Vol. 11 page： 168 1999

Superexchange Interaction in the d-p Model Reviewed

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

J. Phys. Soc. Jpn. Vol. 67 page： 3536 1998

Itinerant Electron Antiferromagnetism in the Anderson Lattice Model Reviewed

A. Kobayashi and T. Matsuura

J. Phys. Soc. Jpn. Vol. 67 page： 927 1998

Dynamical Spin Susceptibility of the d-p Model in the Over Doping Region Reviewed

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

Physica C Vol. 300 page： 287 1998

Superconductivity in the d-p Model - Effects of Quasi-2D Fluctuation - Reviewed

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

J. Phys. Soc. Jpn. Vol. 67 page： 2626 1998

Spin and Charge Susceptibilities in the d-p Model Reviewed

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

J. Phys. Soc. Jpn. Vol. 65 page： 2231 1996

Charge fluctuation mediated superconductivity in the d-p model - critical study of the retardation effects - Reviewed

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

Physica C Vol. 259 page： 227 1996

Charge-Fluctuation-Mediated Superconductivity in the d-p Model ---Critical Study of the Retardation Effects--- Reviewed

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

J. Phys. Soc. Jpn. Vol. 64 page： 2316 1995

Charge susceptibility and charge correlation function in the d-p model Reviewed

Vol. 250 page： 307 1995

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Papers - KOBAYASHI, Akito