GUTZWILLER APPROACH TO THE NEGATIVE-U HUBBARD-MODEL

被引：6
|
作者：
MEDINA, GA [1 ]
SIMONIN, J [1 ]
REGUEIRO, MDN [1 ]
机构：
[1] INST BALSEIRO,RA-8400 BARILOCHE,RIO NEGRO,ARGENTINA
来源：
PHYSICAL REVIEW B | 1991年 / 43卷 / 07期
关键词：
D O I：
10.1103/PhysRevB.43.6206
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We apply the Gutzwiller approach to the attractive Hubbard model in the whole range of filling. The repulsion-attraction transformation of the Hamiltonian is shown to be valid also for this particular mean-field approximation. The physical meaning of the results is discussed.
引用
收藏
页码：6206 / 6208
页数：3
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