Radiatively Induced Lorentz and CPT Violation in Electrodynamics
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In a nonperturbative formulation, radiative corrections arising from Lorentz and CPT violation in the fermion sector induce a definite and nonzero Chern-Simons addition to the electromagnetic action. If instead a perturbative formulation is used, an infinite class of theories characterized by the value of the Chern-Simons coefficient emerges at the quantum level.
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Cited by 3 Pith papers
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CPT-odd Lorentz-violating scalar QCD is multiplicatively renormalizable at one loop, with all divergences absorbed into existing counterterms and explicit beta functions obtained.
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In a nonminimal Lorentz-violating Maxwell model with time-like d^μ, the point-charge self-energy is finite for odd spatial dimensions n and diverges for even n.
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