Abstract
Some properties of the lattice dielectric gauge theories (LDGT) at finite temperature are studied and discussed. We have found several essential points to be mentioned: 1) a deconfinement phase transition takes place at certain values of the dielectric potential parameters; 2) the space-like Wilson loop obeys an area law at any temperature; 3) the possibility of introducing a gauge invariant mass for the dielectric field leads to the existence of magnetic charge and sources of gluon current screening. Such properties could mean a lack of an infrared problem in dielectric theories in contrast to pure Yang-Mills theories at T ≠0. We show how a version of LDGT can appear for static modes of high-temperature lattice Wilson QCD and discuss the general properties of the effective model obtained.
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