Observables in Topological Yang-Mills Theories

Details Observables in Topological Yang-Mills Theories Observables in Topological Yang-Mills Theories

2003-03-06

arxiv.org/abs/hep-th/0303053v1

Int.J.Mod.Phys. A19 (2004) 2971-3004

Physics

High Energy Physics

High Energy Physics - Theory

39 pages, Latex

Scientific paper

10.1142/S0217751X0401777X

Using topological Yang-Mills theory as example, we discuss the definition and determination of observables in topological field theories (of Witten-type) within the superspace formulation proposed by Horne. This approach to the equivariant cohomology leads to a set of bi-descent equations involving the BRST and supersymmetry operators as well as the exterior derivative. This allows us to determine superspace expressions for all observables, and thereby to recover the Donaldson-Witten polynomials when choosing a Wess-Zumino-type gauge.

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