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

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

2001-12-23

arxiv.org/abs/hep-lat/0112048v2

Phys.Rev.Lett. 88 (2002) 231601

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, 5 EPS figures, RevTeX 4, uses epsfig.sty; repaced to match version accepted for publication in Phys. Rev. Lett. (disc

Scientific paper

10.1103/PhysRevLett.88.231601

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.

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