COMPUTATION OF THE SPATIAL STRING TENSION IN HIGH TEMPERATURE SU(2) GAUGE THEORY

G. S. Bali, K. Schilling, J. Fingberg, U. M. Heller and F. Karsch
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G. S. Bali: Fachbereich Physik, Universität-Gesamthochschule Wuppertal, Gausstr. 20, D-42097 Wuppertal, Germany
K. Schilling: Fachbereich Physik, Universität-Gesamthochschule Wuppertal, Gausstr. 20, D-42097 Wuppertal, Germany
J. Fingberg: SCRI, The Florida State University, Tallahassee, FL 32306-44052, U.S.A.
U. M. Heller: SCRI, The Florida State University, Tallahassee, FL 32306-44052, U.S.A.
F. Karsch: HLRZ, c/o KFA Jülich, D-52425 Jülich, Germany;

International Journal of Modern Physics C (IJMPC), 1993, vol. 04, issue 06, 1179-1193

Abstract: A detailed investigation of the temperature dependence of the spatial string tensionσsinSU(2)gauge theory is presented. A sustained performance of 3 GFLOPS on a 64K Connection Machine CM-2 equivalent has been achieved. Scaling ofσsbetweenβ = 2.5115andβ = 2.74, on large lattices, is demonstrated. Below the critical temperature,Tc,σsremains constant. For temperatures larger than2Tcthe temperature dependence can be parametrized byσs(T) = (0.369 ± 0.014)2g4(T)T2, whereg(T)is a 2-loop running coupling constant with the scale parameter determined asΛT= (0.076 ± 0.013)Tc.

Keywords: Lattice gauge theory; Finite temperature QCD; Dimensional reduction; String tension; SU(2)gauge theory; Connection Machine (search for similar items in EconPapers)
Date: 1993
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DOI: 10.1142/S0129183193000938

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