Carroll-Field-Jackiw term in a massless Rarita-Schwinger model

Abstract

We consider the massless Rarita-Schwinger (RS) LV QED. In this theory, we introduce the gauge fixing to obtain the propagator for the RS field, and calculate the Carroll-Field-Jackiw term, which turns out to be finite and ambiguous, and only in one calculation scheme, based on the nonlinear gauge framework, the gauge independence of the result is achieved.

arXiv comment16 pages, version accepted to PLB

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