SUPERCONDUCTIVITY IN A 2-BAND HUBBARD SYSTEM WITH INTER-BAND ATTRACTION

被引：0

作者：

KUROKI, K ^{[1
]}

AOKI, H ^{[1
]}

TAKADA, Y ^{[1
]}

机构：

[1] UNIV TOKYO,INST SOLID STATE PHYS,TOKYO 106,JAPAN

来源：

PHYSICA C | 1991年 / 185卷 / pt 3期

关键词：

D O I：

10.1016/0921-4534(91)90853-Q

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A two-band Hubbard model with interband attraction(-V) and intraband repulsion(U) is studied for various band fillings(n). A superconducting ground state is shown to arise for the right magnitude of repulsion (U approximately V), and the phase diagram in the (U, V, n) space is obtained in 1D and 2D.

引用

页码：1453 / 1454

页数：2

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