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Using the formulation for N=2 conformal supergravity in SU(2) superspace, wedefine super-Weyl (or superconformal) anomalies and construct two types ofnonlocal effective actions that generate these anomalies. We also present thelocal Wess-Zumino action for spontaneously broken N=2 superconformal symmetry,with the Goldstone supermultiplet identified with a reduced chiral superfieldcontaining the dilaton and the axion among its components.

Super-Weyl anomalies in N=2 supergravity and (non)local effective actions