Causal Structure and Birefringence in Nonlinear Electrodynamics
High Energy Physics - Theory
2015-12-31 v2 General Relativity and Quantum Cosmology
High Energy Physics - Phenomenology
Mathematical Physics
math.MP
Abstract
We investigate the causal structure of general nonlinear electrodynamics and determine which Lagrangians generate an effective metric conformal to Minkowski. We also proof that there is only one analytic nonlinear electrodynamics presenting no birefringence.
Keywords
Cite
@article{arxiv.1407.0567,
title = {Causal Structure and Birefringence in Nonlinear Electrodynamics},
author = {C. A. M. de Melo and L. G. Medeiros and P. J. Pompeia},
journal= {arXiv preprint arXiv:1407.0567},
year = {2015}
}
Comments
11 pages, no figures