Wave functions of correlated-electron state in the periodic Anderson model

被引：0
|
作者：
Yanagisawa, T [1 ]
机构：
[1] Electrotech Lab, Theory Grp, Tsukuba, Ibaraki 3058568, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1999年 / 68卷 / 03期
关键词：
periodic Anderson model; variational Monte Carlo method; off-diagonal Gutzwiller functions;
D O I：
10.1143/JPSJ.68.893
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate the periodic Anderson model by a variational Monte Carlo method. A new wave function is proposed based on the well-known Gutzwiller wave function. We calculate the physical properties using the Monte Carlo algorithm to consider the strong correlation effects. The ground state energy is improved considerably by taking into account electron-hole excitation effects.
引用
收藏
页码：893 / 902
页数：10
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