New N = 2 Superconformal Field Theories in Four Dimensions

  title={New N = 2 Superconformal Field Theories in Four Dimensions},
  author={Philip C. Argyres and M. Ronen Plesser and Nathan Seiberg and Edward H Witten},
New examples of N=2 supersymmetric conformal field theories are found as fixed points of SU(2) N=2 supersymmetric QCD. Relations among the scaling dimensions of their relevant chiral operators, global symmetries, and Higgs branches are understood in terms of the general structure of relevant deformations of non-trivial N=2 conformal field theories. The spectrum of scaling dimensions found are all those compatible with relevant deformations of a y = x singular curve. 

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