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Theoretical studies on field‐induced superconductivity in molecular crystals
Author(s) -
Nagao Hidemi,
Kitagawa Yasutaka,
Kawakami Takashi,
Yoshimoto Takashi,
Saito Hiroaki,
Yamaguchi Kizashi
Publication year - 2001
Publication title -
international journal of quantum chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.484
H-Index - 105
eISSN - 1097-461X
pISSN - 0020-7608
DOI - 10.1002/qua.1505
Subject(s) - superconductivity , realization (probability) , condensed matter physics , phase diagram , anthracene , field (mathematics) , charge (physics) , materials science , phase (matter) , function (biology) , physics , chemistry , chemical physics , quantum mechanics , mathematics , statistics , pure mathematics , evolutionary biology , biology
We investigate superconductivity of molecular crystals induced by charge injection by using a two‐band model based on the Green function techniques. Expressions of transition temperature for several phases derived from the model are summarized. The model is applied to a model of CuO 2 plane for copper oxides, anthracene, oligothiophene, and C 60 crystals and phase diagrams of the crystals are presented. It is important that the band structure of crystals is described by a two‐ or multiband model for realization of high‐ T c superconductivity. © 2001 John Wiley & Sons, Inc. Int J Quantum Chem, 2001