The Chern-Simons term induced at high temperature and the quantization of its coefficient

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	Zhao, WY; Zhao, WY , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
	The Chern-Simons term induced at high temperature and the quantization of its coefficient
发表期刊	EUROPEAN PHYSICAL JOURNAL C
关键词	Massive Gauge-theories Finite-temperature Field-theory Topological Mass Renormalization Regularization Statistics
摘要	By perturbative calculations of the high-temperature ground-state axial vector current of fermion fields coupled to gauge fields, an anomalous Chern-Simons topological mass term is induced in the three-dimensional effective action. The anomaly in three dimensions appears just in the groundstate current rather than in the divergence of ground-state current. In the Abelian case: the contribution comes only from the vacuum polarization graph, whereas in the non-Abelian case, contributions come from the vacuum polarization graph and the two triangle graphs. The relation between the quantization of the Chern-Simons coefficient and the Dirac quantization condition of magnetic charge is also obtained. It implies that in a (2+1)-dimensional QED with the Chern-Simons topological mass term and a magnetic monopole with magnetic charge g present, the Chern-Simons coefficient must be also quantized, just as in the non-Abelian case.
	1999
ISSN	1434-6044
卷号	11 期号:4 页码:733-738
学科领域	Physics
收录类别	SCI
引用统计
文献类型	期刊论文
条目标识符	http://ir.itp.ac.cn/handle/311006/13057
专题	理论物理所科研产出_SCI论文
通讯作者	Zhao, WY , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
推荐引用方式 GB/T 7714	Zhao, WY,Zhao, WY , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. The Chern-Simons term induced at high temperature and the quantization of its coefficient[J]. EUROPEAN PHYSICAL JOURNAL C,1999,11(4):733-738.
APA	Zhao, WY,&Zhao, WY , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(1999).The Chern-Simons term induced at high temperature and the quantization of its coefficient.EUROPEAN PHYSICAL JOURNAL C,11(4),733-738.
MLA	Zhao, WY,et al."The Chern-Simons term induced at high temperature and the quantization of its coefficient".EUROPEAN PHYSICAL JOURNAL C 11.4(1999):733-738.

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