Confinement at Weak Coupling
arXiv:hep-th/0511046 · doi:10.1016/j.nuclphysbps.2006.08.017
Abstract
The free energy of U(N) and SU(N) gauge theory was recently found to be of order N^0 to all orders of a perturbative expansion about a center-symmetric orbit of vanishing curvature. Here I consider extended models for which this expansion is perturbatively stable. The extreme case of an SU(2) gauge theory whose configuration space is restricted to center-symmetric orbits has recently been investigated on the lattice hep-lat/0509156. In extension of my talk, a discussion and possible interpretation of the observed finite temperature phase transition is given. The transfer matrix of constrained SU(N) lattice gauge theory is constructed for any finite temperature.
arXiv comment8 pages, no figures, updated talk given at LC2005 in Cairns, Australia
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