Radiatively induced Lorentz and $CPT$ violation in electrodynamics

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1999

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American Physical Society

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https://hdl.handle.net/2022/18677

Abstract

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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Jackiw, R., & Kostelecký, V. A. (1999). Radiatively induced Lorentz and $CPT$ violation in electrodynamics. Physical Review Letters, 82(18), 3572-3575. http://dx.doi.org/10.1103/PhysRevLett.82.3572

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https://doi.org/10.1103/PhysRevLett.82.3572

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© 1999 American Physical Society.

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Faculty Publications and Research