Dual symmetry in Born-Infeld theory

被引:0
|
作者
Khademi, Siamak [1 ]
Ayoub, Abbas [1 ]
机构
[1] Zanjan Univ, Dept Phys, ZNU, Zanjan, Iran
关键词
D O I
10.1088/1742-6596/128/1/012033
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Born-Infeld theory is a non-linear formalism which has many applications in string and electromagnetic theories. Although, the existence of magnetic monopoles and dyons are suggested by Born-Infeld theory, but this theory is not invariant under the dual transformations. In this theory electric fields for point charged particles are not singular at origin (r = 0), but magnetic fields and vector potentials are still singular. In this paper we show that the vanishing of dual symmetry is responsible for these singularities. Furthermore, we present the dual symmetric Born-Infeld theory, by a symmetric definition of electromagnetic fields in terms of new scalar and vector potentials, as well as the ordinary ones. All singularities of vector potential and magnetic field are removed as an immediate consequence of this symmetry.
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页数:5
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