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Remarks on nonlinear electrodynamics
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DOI：10.1140/epjc/s10052-014-3182-y.png)
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摘要
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We consider both generalized Born-Infeld and exponential electrodynamics. The field energy of a point-like charge is finite only for Born-Infeld-like electrodynamics. However, both Born-Infeld-type and exponential electrodynamics display the vacuum birefringence phenomenon. Subsequently, we calculate the lowest-order modifications to the interaction energy for both classes of electrodynamics, within the framework of the gauge-invariant path-dependent variables formalism. These are shown to result in long-range (1/r(5)-type) corrections to the Coulomb potential. Once again, for their noncommutative versions, the interaction energy is ultraviolet finite.
Keyword:
NONCOMMUTATIVE GEOMETRY
BLACK-HOLES
INVARIANCE
PARTICLE
MODEL
QFT
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IF:
4.8
论文数:
1.8W
被引数:
4.7W
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