Radiatively induced Lorentz-violating operator of mass dimension five in QED
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 gλμ. 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.
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