Issues on Radiatively Induced Lorentz and CPT Violation in Quantum Electrodynamics
W.F. Chen
TL;DR
This paper reviews the ambiguous results and debates surrounding radiatively induced Lorentz and CPT violation in quantum electrodynamics, highlighting the discrepancies between theoretical predictions and astrophysical observations.
Contribution
It provides a comprehensive review of the conflicting results and discusses potential explanations for the ambiguities in the context of quantum electrodynamics with a modified fermionic sector.
Findings
Ambiguous results in Lorentz and CPT violation studies.
Discrepancies between theoretical predictions and astrophysical limits.
Possible explanations for the observed ambiguities.
Abstract
Various ambiguous results on radiatively induced Lorentz and CPT violation in quantum electrodynamics with a modified fermionic sector are reviewed and possible explanations for this ambiguity appearing in the literature are commentated. Furthermore, joint between stringent limit from astrophysical observation and theoretical prediction on Lorenz and CPT violation is discussed.
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