Interface tension in SU(3) lattice gauge theory at finite temperatures on an $N_t=2$ lattice

Abstract

The surface tension $\sigma$ of the confined-deconfined interface is calculated in pure $SU(3)$ lattice gauge theory at finite temperatures employing the operator and integral methods on a lattice of a size $8^2\times N_z\times 2$ with $N_z=16$ and 40. Analyses of non-perturbative corrections in asymmetry response functions strongly indicate that the use of one-loop values for the response functions lead to an overestimate of $\sigma$ in the operator method. The operator method also suffers more from finite-size effects due to a finite thickness of the interface, leading us to conclude that the integral method yields more reliable values for $\sigma$. Our result with the integral method $\sigma /T_c^3=0.134(16)$ is consistent with earlier results and also with that obtained with a transfer matrix method. Result is also reported on $\sigma$ obtained on a lattice $18^2\times 48\times 4$ with the integral method.

27 pages with 13 PS figures, LaTeX, UTHEP-257

References in corpus (5)

• Interface Tension in Quenched QCD
• Monte Carlo Calculation of the Surface Free Energy for the 2d 7-state Potts Model, and an Estimate for 4d SU(3) Gauge Theory
• The Confined-Deconfined Interface Tension in Quenched QCD using the Histogram Method
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