Influence of a flat dispersion on the superconducting instability in doped Mott insulators

被引：0
|
作者：
Kohno, M
Imada, M
机构：
[1] Mitsubishi Res Inst Inc, Chiyoda Ku, Tokyo 1008141, Japan
[2] Univ Tokyo, Inst Solid State Phys, Minato Ku, Tokyo 1068666, Japan
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2001年 / 62卷 / 1-2期
基金：
日本学术振兴会;
关键词：
superconductivity;
D O I：
10.1016/S0022-3697(00)00134-7
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We numerically demonstrate that the spin-gap and the pairing correlation are enhanced, if the band structure is adjusted to become Rat at the Fermi level near half-filling in strongly correlated electron systems. We show indications that the incoherent charge transport may give rise to the superconducting instability in doped Mott insulators. Based on the numerical results. we discuss the possibility of flat-band induced superconductivity. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：225 / 229
页数：5
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