Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1996-09-26
Nucl.Phys.B486:245-260,1997
Physics
High Energy Physics
High Energy Physics - Lattice
19 pages, LaTeX file + two .eps figures
Scientific paper
10.1016/S0550-3213(96)00672-4
We test numerically the effective string description of the infrared limit of lattice gauge theories in the confining regime. We consider the 3d Z(2) lattice gauge theory, and we define ratios of Wilson loops such that the predictions of the effective string theory do not contain any adjustable parameters. In this way we are able to obtain a degree of accuracy high enough to show unambiguously that the flux--tube fluctuations are described, in the infrared limit, by an effective bosonic string theory.
Caselle Michele
Fiore Roberto
Gliozzi Ferdinando
Hasenbusch Martin
Provero Paolo
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