Photon propagator, monopoles and the thermal phase transition in 3D compact QED

Abstract

We investigate the gauge boson propagator in three dimensional compact Abelian gauge model in the Landau gauge at finite temperature. The presence of the monopole plasma in the confinement phase leads to appearance of an anomalous dimension in the momentum dependence of the propagator. The anomalous dimension as well as an appropriate ratio of photon wave function renormalization constants with and without monopoles are observed to be order parameters for the deconfinement phase transition. We discuss the relation between our results and the confining properties of the gluon propagator in non--Abelian gauge theories.

4 pages, 5 EPS figures, RevTeX 4, uses epsfig.sty; repaced to match version accepted for publication in Phys. Rev. Lett. (discussion on fits is extended)

References in corpus (5)

• Gluon propagators and quark confinement
• Fit to Gluon Propagator and Gribov Formula
• A lattice study of 3D compact QED at finite temperature
• Phase Transition in Compact QED(3) and the Josephson Junction
• The topological susceptibility and f_pi from lattice QCD

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