Axion-Photon Interaction from Nonminimal Dimension-5 Lorentz-Violating Operators
arXiv:2207.11078 · doi:10.1103/PhysRevD.107.085021
Abstract
In this paper, we discuss various possible schemes for the perturbative generation of the axion-photon interaction term in different Lorentz-breaking extensions of QED, involving operators with mass dimensions up to 5. We demonstrate explicitly that there are only a few schemes allowing to generate a finite axion-photon interaction term from one-loop radiative corrections, and within all these schemes, the generated term turns out to be ambiguous.
arXiv comment18 pages, version accepted to PRD
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