Supercurrent and local coupling in the Wess-Zumino model

  • E. Kraus
  • Ch. Rupp
  • K. Sibold
Theoretical physics


We study the Wess-Zumino model with the coupling extended to a chiral superfield. In order to incorporate the renormalization effects a further external real field has to be introduced. It is then possible to derive a Callan-Symanzik equation and to prove renormalizability. By constructing the supercurrent in this context the whole machinery for describing the superconformal symmetries becomes available. The presence of the external fields allows also to define multiple insertions of all relevant composite operators. Interesting relations to the curved superspace treatment show up.


External Field Real Field Composite Operator Superconformal Symmetry Interesting Relation 
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Copyright information

© Springer-Verlag Berlin Heidelberg / Società Italiana di Fisica 2002

Authors and Affiliations

  • E. Kraus
    • 1
  • Ch. Rupp
    • 2
  • K. Sibold
    • 3
  1. 1.Physikalisches Institut der Universität Bonn, Nußallee 12, 53115 Bonn, Germany DE
  2. 2.Institut für Theoretische Physik, Universität Bern, Sidlerstrasse 5, 3012 Bern, Switzerland CH
  3. 3.Institut für Theoretische Physik, Universität Leipzig, Augustusplatz 10/11, 04109 Leipzig, Germany DE

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