Ground state properties of half-filled Hubbard model

被引：1
|
作者：
Noce, C [1 ]
Cuoco, M [1 ]
机构：
[1] UNIV SALERNO,DIPARTIMENTO SCI FIS ER CAIANIELLO,UNITA SALERNO,INFM,I-84081 BARONISSI,SALERNO,ITALY
来源：
PHYSICS LETTERS A | 1997年 / 232卷 / 3-4期
关键词：
Hubbard model; ground state properties; exact results;
D O I：
10.1016/S0375-9601(97)00389-7
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Using the symmetry properties and known exact results on the Hubbard model on a bipartite lattice, we show that at half-filling and for periodic boundary conditions, the ground state has a definite value of the total momentum according to the number of lattice sites both for negative and positive U, (C) 1997 Elsevier Science B.V.
引用
收藏
页码：281 / 285
页数：5
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