AN RVB APPROACH TO THE HUBBARD-MODEL

被引:3
|
作者
CICUTA, GM [1 ]
STRAMAGLIA, S [1 ]
机构
[1] IST NAZL FIS NUCL,I-70126 BARI,ITALY
关键词
D O I
10.1016/0375-9601(92)90347-O
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We study an interesting ansatz state of the resonating valence bond type, recently proposed by Messager and Richard for the half-filled Hubbard model and describe the formalism to evaluate expectation values for observables. In some detail we obtain them for a quasi-one-dimensional lattice.
引用
收藏
页码:456 / 462
页数:7
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