arXiv:1008.0607·v1·High Energy Physics — Phenomenology
On the aether-like Lorentz-breaking action for the electromagnetic field
M. Gomes🇧🇷 · J. R. Nascimento🇧🇷 · A. Yu. Petrov🇧🇷 · A. J. da Silva🇧🇷
Abstract
We study the generation of aether-like Lorentz-breaking actions in three, four and five dimensions via an appropriate Lorentz-breaking coupling of electromagnetic and spinor fields. Special attention is given to the four-dimensional case where we discuss the issue of ambiguities.
Comments: Presented at the Fifth Meeting on CPT and Lorentz Symmetry, Bloomington, Indiana, June 28-July 2, 2010, 4 pages