On the anomalies in Lorentz-breaking theories

被引：5
|
作者：
Baeta Scarpelli, A. P. [1 ,2 ]
Mariz, T. [3 ]
Nascimento, J. R. [4 ]
Petrov, A. Yu. [4 ]
机构：
[1] Dept Policia Fed, Setor Tecnicocient, Rua Hugo DAntola 95, Sao Paulo, SP, Brazil
[2] Univ Sao Paulo, Inst Fis, Caixa Postal 66318, BR-05315970 Sao Paulo, SP, Brazil
[3] Univ Fed Alagoas, Inst Fis, BR-57072270 Maceio, Alagoas, Brazil
[4] Univ Fed Paraiba, Dept Fis, Caixa Postal 5008, BR-58051970 Joao Pessoa, Paraiba, Brazil
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2016年 / 31卷 / 12期
关键词：
Anomalies; Lorentz symmetry breaking; chiral symmetry; RADIATIVELY-INDUCED LORENTZ; CPT VIOLATION; SYMMETRY-BREAKING; CANCELLATION; CONSERVATION; CAUSALITY;
D O I：
10.1142/S0217751X16500639
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
In this paper, we discuss the chiral anomaly in a Lorentz-breaking extension of QED which, besides the common terms that are present in the Standard Model Extension, includes some dimension-five nonminimal couplings. We find, using the Fujikawa formalism, that these nonminimal couplings induce new terms in the anomaly which depend on the Lorentz-violating parameters. Perturbative calculations are also carried out in order to investigate whether new ambiguous Carroll-Field-Jackiw terms are induced in the effective action.
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收藏
页数：14
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