Induced Chern-Simons term of a paired electron state in the quantum Hall system

被引：0
|
作者：
Aoyama, T.
Maeda, N.
机构：
[1] Univ Tokyo, Inst Solid State Phys, Chiba 2778581, Japan
[2] Hokkaido Univ, Dept Phys, Sapporo, Hokkaido 0600810, Japan
来源：
EUROPEAN PHYSICAL JOURNAL B | 2006年 / 54卷 / 02期
关键词：
D O I：
10.1140/epjb/e2006-00436-x
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The induced Chern-Simons term for a paired electron state is calculated in the quantum Hall system by using a field theory on the von Neumann lattice. The coefficient of the Chern-Simons term, which is the Hall conductance, has not only the usual term proportional to a filling factor due to P (parity) & T (time reversal) symmetry breaking but also correction terms due to P & T & U(1) symmetry breaking. The correction term essentially comes from the Nambu-Goldstone mode and depends on an infrared limit. It is shown that the correction term is related to a topological number of a gap function in the momentum space.
引用
收藏
页码：157 / 168
页数：12
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