Search Results - "Kobayashi, Akito"

Refine Results
  1. 1

    Anomalous spin correlations and excitonic instability of interacting 2D Weyl fermions by Hirata, Michihiro, Ishikawa, Kyohei, Matsuno, Genki, Kobayashi, Akito, Miyagawa, Kazuya, Tamura, Masafumi, Berthier, Claude, Kanoda, Kazushi

    “…The Coulomb interaction in systems of quasi-relativistic massless electrons has an unscreened long-range component at variance with conventional correlated…”
    Get full text
    Journal Article
  2. 2

    Observation of an anisotropic Dirac cone reshaping and ferrimagnetic spin polarization in an organic conductor by Hirata, Michihiro, Ishikawa, Kyohei, Miyagawa, Kazuya, Tamura, Masafumi, Berthier, Claude, Basko, Denis, Kobayashi, Akito, Matsuno, Genki, Kanoda, Kazushi

    Published in Nature communications (31-08-2016)
    “…The Coulomb interaction among massless Dirac fermions in graphene is unscreened around the isotropic Dirac points, causing a logarithmic velocity…”
    Get full text
    Journal Article
  3. 3

    Spin–Lattice Relaxation Rate in Organic Dirac Electron System α-(BEDT-TTF)2I3 under Strong Magnetic Field by Tani, Takehiro, Kobayashi, Akito

    Published in Journal of the Physical Society of Japan (15-05-2019)
    “…Spin–lattice relaxation rate divided by temperature, 1/T1T, under strong magnetic field is calculated in the tilted Weyl Hamiltonian with the long range…”
    Get full text
    Journal Article
  4. 4

    Massless fermions in organic conductor by KOBAYASHI, Akito, KATAYAMA, Shinya, SUZUMURA, Yoshikazu, FUKUYAMA, Hidetoshi

    Published in Journal of the Physical Society of Japan (01-03-2007)
    “…The electronic states in two-dimensional organic conductor α-(BEDT-TTF)2I3 have been investigated to show the noticeable property of the massless fermions,…”
    Get full text
    Journal Article
  5. 5

    Possible Spin-Density Wave on Fermi Arc of Edge State in Single-Component Molecular Conductors [Pt(dmdt) 2 ] and [Ni(dmdt) 2 ] by Kawamura, Taiki, Zhou, Biao, Kobayashi, Akiko, Kobayashi, Akito

    Published in Journal of the Physical Society of Japan (15-06-2021)
    “…Motivated by the highly one-dimensional edge state due to a Dirac nodal line the system in single-component molecular conductor [Pt(dmdt)2], we investigate the…”
    Get full text
    Journal Article
  6. 6
  7. 7
  8. 8
  9. 9

    Chiral excitonic instability of two-dimensional tilted Dirac cones by Ohki, Daigo, Hirata, Michihiro, Tani, Takehiro, Kanoda, Kazushi, Kobayashi, Akito

    Published in Physical review research (24-09-2020)
    “…The Coulomb interaction among massless chiral particles harbors unusual emergent phenomena in solids beyond the conventional realm of correlated electron…”
    Get full text
    Journal Article
  10. 10

    Tilted-Cone Induced Cusps and Nonmonotonic Structures in Dynamical Polarization Function of Massless Dirac Fermions by Nishine, Tatsuro, Kobayashi, Akito, Suzumura, Yoshikazu

    Published in Journal of the Physical Society of Japan (01-11-2010)
    “…We examine the dynamical property of the polarization function for electrons with the tilted Dirac cone, considering the case where the chemical potential…”
    Get full text
    Journal Article
  11. 11
  12. 12

    Optical Conductivity in a Two-Dimensional Extended Hubbard Model for an Organic Dirac Electron System α-(BEDT-TTF)2I3 by Ohki, Daigo, Matsuno, Genki, Omori, Yukiko, Kobayashi, Akito

    Published in Crystals (Basel) (16-03-2018)
    “…The optical conductivity in the charge order phase is calculated in the two-dimensional extended Hubbard model describing an organic Dirac electron system α…”
    Get full text
    Journal Article
  13. 13

    Theoretical study of the zero-gap organic conductor α-(BEDT-TTF)2I3 by Kobayashi, Akito, Katayama, Shinya, Suzumura, Yoshikazu

    “…The quasi-two-dimensional molecular conductor α-(BEDT-TTF) 2 I 3 exhibits anomalous transport phenomena where the temperature dependence of resistivity is weak…”
    Get full text
    Journal Article
  14. 14

    Field-Angle Dependence of Interlayer Magnetoresistance in Organic Dirac Electron System α-(BEDT-TTF)2I3 by Tani, Takehiro, Tajima, Naoya, Kobayashi, Akito

    Published in Crystals (Basel) (19-04-2019)
    “…The effect of the Coulomb interaction in interlayer magnetoresistance is elucidated in collaboration with theory and experiments for the Dirac electron system…”
    Get full text
    Journal Article
  15. 15

    Tilted-Cone-Induced Easy-Plane Pseudo-Spin Ferromagnet and Kosterlitz-Thouless Transition in Massless Dirac Fermions by KOBAYASHI, Akito, SUZUMURA, Yoshikazu, FUKUYAMA, Hidetoshi, GOERBIG, Mark O

    Published in Journal of the Physical Society of Japan (01-11-2009)
    “…The possible quantum Hall ferromagnet at a filling factor ν=0 is investigated for the zero-energy (N=0) Landau level of the two dimensional massless Dirac…”
    Get full text
    Journal Article
  16. 16

    New Plasmon and Filtering Effect in a Pair of Tilted-Dirac Cone by Nishine, Tatsuro, Kobayashi, Akito, Suzumura, Yoshikazu

    Published in Journal of the Physical Society of Japan (15-11-2011)
    “…The effect of a pair of tilted Dirac cones on the plasmon is examined for $\alpha$-(BEDT-TTF) 2 I 3 . The imaginary part of the dynamical polarization function…”
    Get full text
    Journal Article
  17. 17

    Superconductivity in charge ordered metal for quasi-two-dimensional organic conductor by KOBAYASHI, Akito, KATAYAMA, Shinya, SUZUMURA, Yoshikazu

    Published in Journal of the Physical Society of Japan (01-11-2005)
    “…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…”
    Get full text
    Journal Article
  18. 18

    Theory of Dirac Electrons in Organic Conductors by Suzumura, Yoshikazu, Kobayashi, Akito

    Published in Crystals (20-04-2012)
    “…The dynamical property of electrons with the tilted Dirac cone was examined using the tilted Weyl equation. The polarization function exhibits cusps and…”
    Get full text
    Journal Article Book Review
  19. 19

    Effect of interactions on Dirac points in organic solids by Hotta, Chisa, Kobayashi, Akito

    Published in Physica. B, Condensed matter (01-06-2010)
    “…We examine the effect of inter-site interactions in the anisotropic triangular lattice with α - type symmetry, which has a linear energy dispersion called…”
    Get full text
    Journal Article Conference Proceeding
  20. 20