Finite Temperature LGT in a Finite Box with BPS Monopole Boundary Conditions
E. -M. Ilgenfritz, S. V. Molodtsov, M. Müller-Preussker, A. I. Veselov
Abstract
Finite temperature SU(2) lattice gauge theory is investigated in a 3D cubic box with fixed boundary conditions (b.c.) provided by a discretized, static BPS monopole solution with varying core scale μ. For discrete μ-values we find stable classical solutions either of electro-magnetic ('dyon') or of purely magnetic type inside the box. Near the deconfinement transition we study the influence of the b.c. on the quantized fields inside the box. In contrast to the purely magnetic background field case, for the dyon case we observe confinement for temperatures above the usual critical one.
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