Extremal and next-to-extremal n-point correlators in four-dimensional SCFT
B. U. Eden, P. S. Howe, E. Sokatchev, P. C. West
TL;DR
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Abstract
It is shown that certain extremal and next-to-extremal n-point correlators in four-dimensional N=2 superconformal field theories are free. These results hold for any gauge group.
