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Extremal correlators in four-dimensional SCFT

B. Eden, P. S. Howe, C. Schubert, E. Sokatchev, P. C. West

hep-tharXiv:hep-th/9910150

Abstract

It is shown that certain extremal correlators in four-dimensional N=2 superconformal field theories (including N=4 super-Yang-Mills as a special case) have a free-field functional form. It is further argued that the coupling constant dependence receives no correction beyond the lowest order. These results hold for any finite value of Nc.

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