A model of nonlinear electrodynamics

被引：92
|
作者：
Kruglov, S. I. [1 ]
机构：
[1] Univ Toronto, Dept Chem & Phys Sci, Mississauga, ON L5L 1C6, Canada
来源：
ANNALS OF PHYSICS | 2015年 / 353卷
关键词：
Vacuum birefringence; Point-like charge; Static electric energy; Energy-momentum tensor; Dilatation current; Dual symmetry; ARBITRARY SPIN PARTICLES; VACUUM BIREFRINGENCE; PAIR PRODUCTION; MAGNETIC-FIELD; POLARIZATION;
D O I：
10.1016/j.aop.2014.12.001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A new model of nonlinear electrodynamics with two parameters is investigated. We also consider a model with one dimensional parameter. It was shown that the electric field of a point-like charge is not singular at the origin and there is the finiteness of the static electric energy of point-like charged particle. We obtain the canonical and symmetrical Belinfante energy-momentum tensors and dilatation currents. It is demonstrated that the dilatation symmetry and dual symmetry are broken in the models suggested. We have calculated the static electric energy of point-like particles. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码：299 / 306
页数：8
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