Induction of the four-dimensional Lorentz-breaking non-Abelian Chern-Simons action

被引：55
作者：
Gomes, M.
Nascimento, J. R.
Passos, E.
Petrov, A. Yu.
da Silva, A. J.
机构：
[1] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil
[2] Univ Fed Paraiba, Dept Fis, BR-58051970 Joao Pessoa, Paraiba, Brazil
来源：
PHYSICAL REVIEW D | 2007年 / 76卷 / 04期
关键词：
D O I：
10.1103/PhysRevD.76.047701
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A four-dimensional Lorentz-breaking non-Abelian Chern-Simons-like action is generated as a one-loop perturbative correction via an appropriate Lorentz-breaking coupling of the non-Abelian gauge field to a spinor field. This term is shown to be regularization dependent, but nevertheless it can be found unambiguously in different regularization schemes at zero and at finite temperature.
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