BRST analysis of the gauged SU(2) WZW model and Darboux's transformations
J. E. Paschalis, P. I. Porfyriadis
Abstract
The four dimensional SU(2) WZW model coupled to elecromagnetism is treated as a constraint system in the context of the BFV approach. We show that the Darboux's transformations which are used to diagonalize the canonical one-form in the Faddeev-Jackiw formalism, transform the fields of the model into BRST invariant ones. The same analysis is also carried out in the case of spinor electrodynamics.
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