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Role of charge fluctuation in Q1D organic superconductor (TMTSF)2ClO4
Yusuke Mizuno, Akito Kobayashi, Yoshikazu Suzumura
We have theoretically investigated the spin and charge fluctuations in the quasi-one dimensional organic superconductor (TMTSF)2ClO4. Using the extended multi-site Hubbard model, w…
Multi-Orbital Molecular Compound (TTM-TTP)I_3: Effective Model and Fragment Decomposition
Masahisa Tsuchiizu, Yukiko Omori, Yoshikazu Suzumura +4
The electronic structure of the molecular compound (TTM-TTP)I_3, which exhibits a peculiar intra-molecular charge ordering, has been studied using multi-configuration ab initio cal…
Competition of superfluidity and density waves in one-dimensional Bose-Fermi mixtures
E. Orignac, M. Tsuchiizu, Y. Suzumura
We study a mixture of one-dimensional bosons and spinless fermions at incommensurate filling using phenomenological bosonization and Green's functions techniques. We derive the rel…
Tilted-Cone Induced Cusps and Nonmonotonic Structures in Dynamical Polarization Function of Massless Dirac Fermions
Tatsuro Nishine, Akito Kobayashi, Yoshikazu Suzumura
The polarization function of electrons with the tilted Dirac cone found in organic conductors is studied using the tilted Weyl equation. The dynamical property is explored based on…