Lorentz and CPT violation in QED revisited: A missing analysis

Details Lorentz and CPT violation in QED revisited: A missing analysis Lorentz and CPT violation in QED revisited: A missing analysis

2009-12-22

arxiv.org/abs/0912.4392v2

Phys.Lett.B688:258-262,2010

Physics

High Energy Physics

High Energy Physics - Theory

Scientific paper

10.1016/j.physletb.2010.03.081

We investigate the breakdown of Lorentz symmetry in QED by a CPT violating interaction term consisting of the coupling of an axial fermion current with a constant vector field $b$, in the framework of algebraic renormalization -- a regularization-independent method. We show, to all orders in perturbation theory, that a CPT-odd and Lorentz violating Chern-Simons-like term, definitively, is not radiatively induced by the axial coupling of the fermions with the constant vector $b$.

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