Causal structure and birefringence in nonlinear electrodynamics

Melo, C. A. M. de [UNESP]; Medeiros, L. G.; Pompeia, P. J.

Causal structure and birefringence in nonlinear electrodynamics

Data

2015-02-28

Autores

Melo, C. A. M. de

Medeiros, L. G.

Pompeia, P. J.

Editor

World Scientific Publ Co Pte Ltd

Tipo

Artigo

Direito de acesso

Acesso restrito

Resumo

We investigate the causal structure of general nonlinear electrodynamics and determine which Lagrangians generate an effective metric conformal to Minkowski. We also prove that there is only one analytic nonlinear electrodynamics not presenting birefringence.