Redefining B-twisted topological sigma models

Details Redefining B-twisted topological sigma models Redefining B-twisted topological sigma models

1995-10-24

arxiv.org/abs/hep-th/9510176v2

Physics

High Energy Physics

High Energy Physics - Theory

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Scientific paper

A recently proposed variation on the usual procedure to perform the topological B-twist in rigid $N=2$ models is applied to the case of the $\sigma $ model on a K\"ahler manifold. This leads to an alternative description of Witten's topological $\sigma $ model, which allows for a proper BRST interpretation and ghost number assignement. We also show that the auxiliary fields, which are responsible for the off shell closure of the $N=2$ algebra, play an important role in our construction.

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