An efficient implementation of the hierarchical mean-field theory with large block

被引：0
|
作者：
Jingbo Qin
Quanlin Jie
Zhuo Fan
机构：
[1] Wuhan University,Department of Physics
来源：
The European Physical Journal B | 2014年 / 87卷
关键词：
Solid State and Materials;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We present an efficient implementation of the hierarchical mean-field theory with large block in quantum spin systems. The wave function is a product of the large block states. Each large block state is a superposition of products of small block states. Our result is very close to that of the hierarchical mean-field in a numerical cost effective way. We test our method on a frustrated spin lattice.
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