Phase Transition in Compact QED(3) and the Josephson Junction

Abstract

We study the finite temperature phase transition in 2+1 dimensional compact QED and its dual theory: Josephson junction. Duality of these theories at zero temperature was established long time ago by Hosotani. Phase transition in compact QED is well studied and we employ the `duality' to study the superconductivity phase transition in a Josephson junction. For a thick junction we obtain a critical temperature in terms of the geometrical properties of the junction.

9 pages, discussion added about the role of the solitons. To appear in JHEP

References in corpus (2)

• Deconfining Phase Transition in 2+1 D: the Georgi-Glashow Model
• The chicken or the egg; or Who ordered the chiral phase transition?

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