Renormalization Group Study of Chern-Simons Field Coupled to Scalar Matter in a Modified BPHZ Subtraction Scheme
L. C. de Albuquerque, M. Gomes, A. J. da Silva
Abstract
We apply a soft version of the BPHZ subtraction scheme to the computation of two-loop corrections from an Abelian Chern-Simons field coupled to (massive) scalar matter with a λ(ΦΦ)2 and ν(ΦΦ)3 self-interactions. The two-loop renormalization group functions are calculated. We compare our results with those in the literature.
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