Explicit Renormalization Group for D=2 Random Bond Ising Model with Long-Range Correlated Disorder

被引：0
|
作者：
M. A. Rajabpour
R. Sepehrinia
机构：
[1] Sharif University of Technology,Department of Physics
来源：
Journal of Statistical Physics | 2008年 / 130卷
关键词：
Ising Model; Stat Phys; Universality Class; Fermionic Field; Disorder Strength;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We investigate the explicit renormalization group for fermionic field theoretic representation of two-dimensional random bond Ising model with long-range correlated disorder. We show that a new fixed point appears by introducing a long-range correlated disorder. Such as the one has been observed in previous works for the bosonic (φ4) description. We have calculated the correlation length exponent and the anomalous scaling dimension of fermionic fields at this fixed point. Our results are in agreement with the extended Harris criterion derived by Weinrib and Halperin.
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页码：815 / 820
页数：5
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