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Flow of low energy couplings in the Wilson renormalization group

Research paper by Robert C. Myers, Vipul Periwal

Indexed on: 26 Feb '98Published on: 26 Feb '98Published in: High Energy Physics - Theory



Abstract

A new form of the Wilson renormalization group equation is derived, in which the flow equations are, up to linear terms, proportional to a gradient flow. A set of co\"ordinates is found in which the flow of marginal, low-energy, couplings takes a gradient form, if relevant couplings are tuned to vanish.