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Free energy of Lorentz-violating QED at high temperature

Research paper by M. Gomes, T. Mariz, J. R. Nascimento, A. Yu. Petrov, A. F. Santos, A. J. da Silva

Indexed on: 25 Feb '10Published on: 25 Feb '10Published in: High Energy Physics - Theory



Abstract

In this paper we study the one- and two-loop contribution to the free energy in QED with the Lorentz symmetry breaking introduced via constant CPT-even Lorentz-breaking parameters at the high temperature limit. We find the impact of the Lorentz-violating term for the free energy and carry out a numerical estimation for the Lorentz-breaking parameter.