Variational analysis of deconfinement in gluodynamics
Abstract
The deconfinement transition in 3+1 dimensional gluodynamics is studied using the gauge invariant variational method introduced by Kogan and Kovner a few years ago. We identify a first order phase transition, characterized by a discontinuous jump in the entropy of the system, resulting in a transparent picture of the mechanism of deconfinement. The calculation of the ratio of the transition temperature to the mass of the lightest glueball in the model yields 0.18 in complete agreement with the lattice estimate.
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