Renormalization in QED and QFT with a Lorentz- and CPT-violating backgrounds

Abstract

The general features of renormalization and the renormalization group in QED and in general quantum field theories in curved spacetime with additional Lorentz- and CPT-violating background fields are reviewed.

Comments: 4 pages, WS styles, Presented at the Sixth Meeting on CPT and Lorentz Symmetry,Bloomington, Indiana, June 17-21, 2013