Lorentz violation and the proper-time method
arXiv:0708.3348 · doi:10.1016/j.physletb.2007.10.089
Abstract
In this paper, we apply the proper-time method to generate the Lorentz-violating Chern-Simons terms in the four-dimensional Yang-Mills and non-linearized gravity theories. It is shown that the coefficient of the induced Chern-Simons term is finite but regularization dependent.
11 pages, Revtex4
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