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Radiatively induced Lorentz-violating operator of mass dimension five in QED
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abstract
The first higher derivative term of the photon sector of Lorentz-violating QED, with operator of mass dimension $d=5$, is radiatively induced from the fermion sector, in which contains a derivative term with the dimensionless coefficient $g^{\lambda\mu\nu}$. The calculation is performed perturbatively in the coefficient for Lorentz violation, and due to the fact that the contributions are quadratically divergent, we adopt dimensional regularization.
Forward citations
Cited by 2 Pith papers
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One-loop contributions in Lorentz-violating scalar QED with nonminimal coupling
One-loop calculation in LV scalar QED with nonminimal coupling shows photon two-point function remains transverse due to diagram cancellations, preserving gauge invariance.
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Bhabha-like scattering in the Rarita-Schwinger model at finite temperature
For a massive Rarita-Schwinger spin-3/2 fermion coupled to photons, the tree-level Bhabha-like differential cross-section is derived at finite temperature, with a claimed T squared high-temperature growth.
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