Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-04-07
Nucl.Phys. B530 (1998) 501-533
Physics
High Energy Physics
High Energy Physics - Theory
35 pages, AMS-LaTex, four ps figures. Two remarks added, misprints corrected. To be published in Nuclear Physics B
Scientific paper
10.1016/S0550-3213(98)00476-3
We investigate the superconformal transformation properties of Green functions with one or more insertions of the supercurrent in N=1 supersymmetric quantum field theories. These Green functions are conveniently obtained by coupling the supercurrent and its trace to a classical supergravity background. We derive flat space superconformal Ward identities from diffeomorphisms and Weyl transformations on curved superspace. For the classification of potential quantum superconformal anomalies in the massless Wess-Zumino model on curved superspace a perturbative approach is pursued, using the BPHZ scheme for renormalisation. By deriving a local Callan-Symanzik equation the usual dilatational anomalies are identified and it is shown that no further superconformal anomalies involving the dynamical fields are present.
Erdmenger Johanna
Rupp Christian
Sibold Klaus
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