β-functions in large-Nf supersymmetric gauge theories
P. M. Ferreira, I. Jack, D. R. T. Jones, C. G. North
Abstract
We present calculations of the leading and O(1/Nf) terms in a large-Nf expansion of the β-functions and anomalous dimensions for various supersymmetric gauge theories, including supersymmetric QCD. In the case of supersymmetric QCD, we show that our O(1/Nf) approximation displays an infra-red fixed point in the conformal window 3Nc/2 < Nf < 3Nc.
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