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On the Beta Function in Supersymmetric Gauge Theories

arXiv:hep-th/9902162 · doi:10.1016/S0370-2693(99)00454-2

Abstract

We re-examine perturbative and nonperturbative aspects of the beta function in N=1 and N=2 supersymmetric gauge theories, make comments on the recent literature on the subject and discuss the exactness of several known results such as the NSVZ beta function.

11 pages, LaTeX2e