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.
@article{arxiv.1008.0607,
title = {On the aether-like Lorentz-breaking action for the electromagnetic field},
author = {M. Gomes and J. R. Nascimento and A. Yu. Petrov and A. J. da Silva},
journal= {arXiv preprint arXiv:1008.0607},
year = {2010}
}
Comments
Presented at the Fifth Meeting on CPT and Lorentz Symmetry, Bloomington, Indiana, June 28-July 2, 2010, 4 pages