1304.2256 (A. P. Baeta Scarpelli et al.)

Four-dimensional aether-like Lorentz-breaking QED revisited and problem
of ambiguities    [PDF]

A. P. Baeta Scarpelli, T. Mariz, J. R. Nascimento, A. Yu. Petrov

In this paper, we consider the perturbative generation of the CPT-even aether-like Lorentz-breaking term in the extended Lorentz-breaking QED within different approaches and discuss its ambiguities.

View original: http://arxiv.org/abs/1304.2256