On Generalized Logarithmic Electrodynamics

Abstract

The generalized logarithmic electrodynamics with two parameters $\beta$ and $\gamma$ is considered. The indexes of refraction of light in the external magnetic field are calculated. In the case $\beta =\gamma$ we come to results obtained by P. Gaete and J. Helayël-Neto [7] (Eur.Phys.J. C\textbf{74}, 2816 (2014)). The bound on the values of $\beta$, $\gamma$ was obtained from the Biréfringence Magnétique du Vide (BMV) experiment. The symmetrical Belinfante energy-momentum tensor and dilatation current are found.

7 pages, no figures, changed title, corrected typo in Eq. 11

References in corpus (9)

• Asymptotic Reissner-Nordstrom black holes
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• Vacuum magnetic linear birefringence using pulsed fields: the BMV experiment
• A model of nonlinear electrodynamics
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