On the higher-derivative Lorentz-breaking terms

Abstract

The first one-loop higher-derivative contribution to the effective action of the Lorentz-breaking spinor QED is obtained and shown to be finite and ambiguous.

7 pages; Contribution to the Proceedings of the 7th International Conference on Mathematical Methods in Physics, Rio de Janeiro, Brazil, April 16-20, 2012; to be published in the Proceedings of Science