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Off-shell WZW models in extended superspaceSchoutens, C.J.M.; Rocek, M.; Sevrin, A. Disclaimer/Complaints regulationsIf you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: http://uba.uva.nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible. We investigate the off-shell N= 2 and N= 4 structure of the supersymmetric Wess-Zumino-Witten model. We present an offshell formulation of the SU (2) ® U ( 1 ) supersymmetric WZW model in terms of N= 2 chiral and twisted chiral multiplets. We show that such a formulation is not possible for any other group and suggest a larger multiplet structure to cover these cases.

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