Higher-order tensor renormalization group for relativistic fermion systems

被引：40
|
作者：
Sakai, Ryo [1 ]
Takeda, Shinji [1 ]
Yoshimura, Yusuke [2 ]
机构：
[1] Kanazawa Univ, Inst Theoret Phys, Kanazawa, Ishikawa 9201192, Japan
[2] Univ Tsukuba, Ctr Computat Sci, Tsukuba, Ibaraki 3058577, Japan
来源：
PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS | 2017年 / 2017卷 / 06期
关键词：
D O I：
10.1093/ptep/ptx080
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We apply the higher-order tensor renormalization group to two-and three-dimensional relativistic fermion systems on the lattice. In order to perform a coarse-graining of tensor networks including Grassmann variables, we introduce the Grassmann higher-order tensor renormalization group. We test the validity of the new algorithm by comparing its results with those of exact or previous methods.
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页数：18
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