Chern-Simons theory on S1-bundles: Abelianisation and q-deformed Yang-Mills theory
Jan, 2006Citations per year
Abstract:
We study Chern-Simons theory on 3-manifolds that are circle-bundles over 2-dimensional surfaces and show that the method of Abelianisation, previously employed for trivial bundles , can be adapted to this case. This reduces the non-Abelian theory on to a 2-dimensional Abelian theory on which we identify with q-deformed Yang-Mills theory, as anticipated by Vafa et al. We compare and contrast our results with those obtained by Beasley and Witten using the method of non-Abelian localisation, and determine the surgery and framing presecription implicit in this path integral evaluation. We also comment on the extension of these methods to BF theory and other generalisations.- gauge field theory: Yang-Mills
- Chern-Simons term
- field theory: deformation
- fibre bundle: S(1)
- BF model
- operator: determinant
- differential forms: symplectic
- differential geometry
- cohomology
- group: Weyl
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