Gauge field theories with Lorentz-violating operators of arbitrary dimension
Abstract
The classification of Lorentz- and CPT-violating operators in nonabelian gauge field theories is performed. We construct all gauge-invariant terms describing propagation and interaction in the action for fermions and gauge fields. Restrictions to the abelian, Lorentz-invariant, and isotropic limits are presented. We provide two illustrative applications of the results to quantum electrodynamics and quantum chromodynamics. First constraints on nonlinear Lorentz-violating effects in electrodynamics are obtained using data from experiments on photon-photon scattering, and corrections from nonminimal Lorentz and CPT violation to the cross section for deep inelastic scattering are derived.
Keywords
Cite
@article{arxiv.1812.11672,
title = {Gauge field theories with Lorentz-violating operators of arbitrary dimension},
author = {Alan Kostelecky and Zonghao Li},
journal= {arXiv preprint arXiv:1812.11672},
year = {2019}
}
Comments
22 pages two-column REVTeX, version published in Physical Review D