Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1996-05-14
Phys.Lett. B383 (1996) 169-178
Physics
High Energy Physics
High Energy Physics - Theory
16 pages, LaTeX file
Scientific paper
10.1016/0370-2693(96)00728-9
Using gauge theory and functional integral methods, we derive concrete expressions for the partition functions of BF theory and the U(1|1) model of Rozansky and Saleur on $\Sigma x S^{1}$, both directly and using equivalent two-dimensional theories. We also derive the partition function of a certain non-abelian generalization of the U(1|1) model on mapping tori and hence obtain explicit expressions for the Ray-Singer torsion on these manifolds. Extensions of these results to BF and Chern-Simons theories on mapping tori are also discussed. The topological field theory actions of the equivalent two-dimensional theories we find have the interesting property of depending explicitly on the diffeomorphism defining the mapping torus while the quantum field theory is sensitive only to its isomorphism class defining the mapping torus as a smooth manifold.
Blau Matthias
Jermyn Ian
Thompson George
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