GUTZWILLER APPROXIMATION IN THE FERMI HYPERNETTED-CHAIN THEORY

被引：1
作者：
WANG, XQ [1 ]
CAMPBELL, CE [1 ]
机构：
[1] UNIV MINNESOTA,SCH PHYS & ASTRON,MINNEAPOLIS,MN 55455
来源：
PHYSICAL REVIEW B | 1993年 / 47卷 / 23期
关键词：
D O I：
10.1103/PhysRevB.47.15984
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present a general formalism for the variational calculation of the one-body density-matrix and correlation functions for strongly correlated lattice electrons in terms of the Fermi hypernetted-chain (FHNC) diagrammatic expansion. It is shown that, in the limit of infinite spatial dimensions, the local-field-approximate FHNC scheme yields the exact solution for the Gutzwiller wave function, which is equivalent to the result of the Gutzwiller approximation.
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页码：15984 / 15987
页数：4
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