The ambiguity-free four-dimensional Lorentz-breaking Chern-Simons action
arXiv:0709.3090 · doi:10.1016/j.physletb.2008.05.015
Abstract
The four dimensional Lorentz-breaking finite and determined Chern-Simons like action is generated as a one loop perturbative correction via an appropriate Lorentz-breaking coupling of the gauge field with the spinor field. Unlike the known schemes of calculations, within this scheme this term is found to be regularization independent.
Revtex4, 4 pages
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