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Generalized Toda Theories from WZNW Reduction

Niclas Wyllard

hep-tharXiv:hep-th/9603040

Abstract

We reconsider the, by Brink and Vasiliev, recently proposed generalized Toda field theories using the framework of WZNW→Toda reduction. The reduced theory has a gauge symmetry which can be fixed in various ways. We discuss some different gauge choices. In particular we study the W algebra associated with the generalized model in some different realizations, corresponding to different gauge choices. We also investigate the mapping between the Toda field and a free field and show the relation between the W algebra generators expressed in terms of the two different fields. All results apply also to the case of ordinary Toda theories.

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