QED Second Order Corrections on the Speed of Light at Low Temperature
High Energy Physics - Phenomenology
2015-01-29 v1 High Energy Physics - Theory
Quantum Physics
Abstract
We want to study thermal corrections on the speed of light at low temperature considering temperature dependence of photon vacuum polarization tensor at two-loop level in the standard QED. It is found that the heat bath behaves as a dispersive medium to the propagation of light and reduces its speed proprtional to the second order of temperature. Similiraties and differences with already known calculations which are based on Euler-Heisenberg Lagrangian and/or those using temperature dependent electromagnetic properties of the medium are discussed.
Keywords
Cite
@article{arxiv.1308.4124,
title = {QED Second Order Corrections on the Speed of Light at Low Temperature},
author = {H. Razmi and M. Zamani},
journal= {arXiv preprint arXiv:1308.4124},
year = {2015}
}
Comments
12 pages including an Appendix