This work investigates vacuum polarization in the Rarita-Schwinger model, revealing insights into spin-3/2 fields coupled to the Maxwell field.
In this work, we investigate vacuum polarization in the Rarita–Schwinger model within the framework of Very Special Relativity. We examine both massive and massless spin-3/2 fields coupled to the Maxwell field. The Mandelstam–Leibbrandt prescription is applied in order to evaluate the one-loop integrals, and we work within the SIM (2) limit.
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Araújo et al. (2026) studied this question.
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