Phase Structure of Compact QED from the Sine-Gordon/Massive Thirring Duality

Details Phase Structure of Compact QED from the Sine-Gordon/Massive Thirring Duality Phase Structure of Compact QED from the Sine-Gordon/Massive Thirring Duality

2002-04-10

arxiv.org/abs/hep-th/0204086v1

Physics

High Energy Physics

High Energy Physics - Theory

44 pages, LaTeX

Scientific paper

We discuss a phase structure of compact QED in four dimensions by considering the theory as a perturbed topological model. In this scenario we use the singular configuration with an appropriate regularization, and so obtain the results similar to the lattice gauge theory due to the effect of topological objects. In this paper we calculate the thermal pressure of the topological model by the use of a one-dimensional Coulomb gas approximation, which leads to a phase structure of full compact QED. Furthermore the critical-line equation is explicitly evaluated. We also discuss relations between the monopole condensation in compact QED in four dimensions and the chiral symmetry restoration in the massive Thirring model in two dimensions.

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