GROUND-STATE ENERGY OF THE HALF-FILLED ONE-DIMENSIONAL HUBBARD-MODEL

被引:19
作者
ECONOMOU, EN [1 ]
POULOPOULOS, PN [1 ]
机构
[1] UNIV ATHENS,DEPT PHYS,ATHENS,GREECE
来源
PHYSICAL REVIEW B | 1979年 / 20卷 / 11期
关键词
D O I
10.1103/PhysRevB.20.4756
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The exact result of Lieb and Wu is recast as an asymptotic series in the small-U limit. This series permits comparisons with a recent approximate method and with the perturbation expansion. © 1979 The American Physical Society.
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页码:4756 / 4758
页数:3
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