On the behaviour of spatial Wilson loops in the high temperature phase of Lattice Gauge Theories
M. Caselle, R. Fiore, F. Gliozzi, P. Guaita, S. Vinti
Abstract
The behaviour of the space-like string tension in the high temperature phase is studied. Data obtained in the Z2 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.
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