Renormalization Of High-Energy Lorentz Violating QED
High Energy Physics - Phenomenology
2010-05-12 v2 High Energy Physics - Theory
Abstract
We study a QED extension that is unitary, CPT invariant and super-renormalizable, but violates Lorentz symmetry at high energies, and contains higher-dimension operators (LVQED). Divergent diagrams are only one- and two-loop. We compute the one-loop renormalizations at high and low energies and analyse the relation between them. It emerges that the power-like divergences of the low-energy theory are multiplied by arbitrary constants, inherited by the high-energy theory, and therefore can be set to zero at no cost, bypassing the hierarchy problem.
Keywords
Cite
@article{arxiv.0912.0113,
title = {Renormalization Of High-Energy Lorentz Violating QED},
author = {Damiano Anselmi and Martina Taiuti},
journal= {arXiv preprint arXiv:0912.0113},
year = {2010}
}
Comments
17 pages, 1 figure; v2: typos corrected, some more comments, PRD published version