EXACT DEMONSTRATION OF OFF-DIAGONAL LONG-RANGE ORDER IN THE GROUND-STATE OF A HUBBARD-MODEL

被引：50
|
作者：
SHEN, SQ
QIU, ZM
机构：
[1] China Center of Advanced Science and Technology (World Laboratory), Beijing 100 080
来源：
PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 25期
关键词：
D O I：
10.1103/PhysRevLett.71.4238
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present a rigorous proof that the ground state of a negative-U Hubbard model on some bipartite lattices A possesses off-diagonal long-range order in a finite range of the electron filling factor rho(e).
引用
收藏
页码：4238 / 4240
页数：3
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