Spontaneous Lorentz symmetry breaking in nonlinear electrodynamics

Details Spontaneous Lorentz symmetry breaking in nonlinear electrodynamics Spontaneous Lorentz symmetry breaking in nonlinear electrodynamics

2010-07-30

arxiv.org/abs/1008.0017v1

AIP Conf.Proc.1259:191-202,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, no figures, Invited talk to the Fifth Meeting on CPT and Lorentz Symmetry, Bloomington, Indiana, June 28-July 2, 2010

Scientific paper

We review some of the basic features and predictions of a gauge invariant spontaneous Lorentz symmetry breaking model arising from the nonzero vacuum expectation value of the electromagnetic tensor and leading to a nonlinear electrodynamics. The model is stable in the small Lorentz invariance violation approximation. The speed of light is independent of the frequency and one of the propagating modes is highly anisotropic. The bound (Delta c)/c < 10^{-32} is obtained for such anisotropy measured in perpendicular directions.

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