The first higher derivative term of the photon sector of Lorentz-violating QED, with an operator of mass dimension $d=5$, is radiatively induced from the fermion sector, which contains a derivative term with the dimensionless coefficient g^λμν. 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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T. Mariz (2011) studied this question.
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