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Renormalization group methods are used to determine the evolution of the lowenergy Wilson effective action for supersymmetric nonlinear sigma models infour dimensions. For the case of supersymmetric $CP^{(N-1)}$ models, theK\"ahler potential is determined exactly and is shown to exhibit a nontrivialultraviolet fixed point in addition to a trivial infrared fixed point. Thestrong coupling behavior of the theory suggests the possible existence ofadditional relevant operators or nonperturbative degrees of freedom.Comment: 9 pages, LaTeX, 1 eps figur

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Wilson effective Kähler potential for supersymmetric nonlinear<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>σ</mml:mi></mml:math>models

Wilson effective Kähler potential for supersymmetric nonlinearσmodels