Search Results - "Kobayashi, Akito"
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Anomalous spin correlations and excitonic instability of interacting 2D Weyl fermions
Published in Science (American Association for the Advancement of Science) (15-12-2017)“…The Coulomb interaction in systems of quasi-relativistic massless electrons has an unscreened long-range component at variance with conventional correlated…”
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2
Observation of an anisotropic Dirac cone reshaping and ferrimagnetic spin polarization in an organic conductor
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…”
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3
Spin–Lattice Relaxation Rate in Organic Dirac Electron System α-(BEDT-TTF)2I3 under Strong Magnetic Field
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…”
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4
Massless fermions in organic conductor
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,…”
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5
Possible Spin-Density Wave on Fermi Arc of Edge State in Single-Component Molecular Conductors [Pt(dmdt) 2 ] and [Ni(dmdt) 2 ]
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…”
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6
Tight-Binding Model and Electronic Property of Dirac Nodal Line in Single-Component Molecular Conductor [Pt(dmdt) 2 ]
Published in Journal of the Physical Society of Japan (15-07-2020)Get full text
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7
Hall Effect and Orbital Diamagnetism in Zerogap State of Molecular Conductor α-(BEDT-TTF)2I3
Published in Journal of the Physical Society of Japan (01-06-2008)Get full text
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8
Berry Curvature of the Dirac Particle in α-(BEDT-TTF)2I3
Published in Journal of the Physical Society of Japan (01-10-2011)Get full text
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9
Chiral excitonic instability of two-dimensional tilted Dirac cones
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…”
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10
Tilted-Cone Induced Cusps and Nonmonotonic Structures in Dynamical Polarization Function of Massless Dirac Fermions
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…”
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11
Superconductivity in charge ordered organic conductor: α-(ET)2I3 salt
Published in Journal of the Physical Society of Japan (01-11-2004)Get full text
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12
Optical Conductivity in a Two-Dimensional Extended Hubbard Model for an Organic Dirac Electron System α-(BEDT-TTF)2I3
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…”
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13
Theoretical study of the zero-gap organic conductor α-(BEDT-TTF)2I3
Published in Science and technology of advanced materials (01-04-2009)“…The quasi-two-dimensional molecular conductor α-(BEDT-TTF) 2 I 3 exhibits anomalous transport phenomena where the temperature dependence of resistivity is weak…”
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14
Field-Angle Dependence of Interlayer Magnetoresistance in Organic Dirac Electron System α-(BEDT-TTF)2I3
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…”
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15
Tilted-Cone-Induced Easy-Plane Pseudo-Spin Ferromagnet and Kosterlitz-Thouless Transition in Massless Dirac Fermions
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…”
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16
New Plasmon and Filtering Effect in a Pair of Tilted-Dirac Cone
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…”
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17
Superconductivity in charge ordered metal for quasi-two-dimensional organic conductor
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…”
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18
Theory of Dirac Electrons in Organic Conductors
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…”
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Journal Article Book Review -
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Effect of interactions on Dirac points in organic solids
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…”
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Journal Article Conference Proceeding -
20
Role of charge fluctuation in Q1D organic superconductor (TMTSF)2ClO4
Published in Physica. C, Superconductivity (01-02-2011)Get full text
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