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

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  • Jingbo Qin
  • Quanlin Jie
  • Zhuo Fan

Abstract

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. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2014

Suggested Citation

  • Jingbo Qin & Quanlin Jie & Zhuo Fan, 2014. "An efficient implementation of the hierarchical mean-field theory with large block," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 87(12), pages 1-8, December.
    • Handle: RePEc:spr:eurphb:v:87:y:2014:i:12:p:1-8:10.1140/epjb/e2014-50054-0
    DOI: 10.1140/epjb/e2014-50054-0
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    Solid State and Materials;

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