On the behaviour of spatial Wilson loops in the high temperature phase of Lattice Gauge Theories

Abstract

The behaviour of the space-like string tension in the high temperature phase is studied. Data obtained in the $Z_2$ gauge model in (2+1) dimensions are compared with predictions of a simple model of a fluctuating flux tube with finite thickness. It is shown that in the high temperature phase contributions coming from the fluctuations of the flux tube vanish. As a consequence we also show that in (2+1) dimensional gauge theories the thickness of the flux tube coincides with the inverse of the deconfinement temperature.

arXiv comment16 pages, 4 ps-figures included, (Latex), DFTT 57/93

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• Gluon propagators and center vortices in gluon plasma
• The Spatial String Tension in High Temperature Lattice Gauge Theories
• Dimensional reduction of Lattice Gauge Theory in (2+1)D
• Where is the confining string in random percolation
• Some Analytical Results in (2+1) dimensional L.G.T.
• The Role of Temperature in a Dimensional Approach to QCD_3
• Quantum fluctuations of the color flux tube