We calculate on the lattice the interface tension in the SU(2) pure gauge theory in d=2+1 at high temperature. The result is compared to the perturbative prediction. The agreement confirms applicability of the perturbation theory in this case. ((orig.)).
Korthals Altes, C;  Michels, A;  Stephanov, M;  Teper, M 
- Centre National de la Recherche Scientifique (CNRS), 13 - Marseille (France). Centre de Physique Theorique
- Theoretical Physics, U. of Oxford, 1 Keble Rd., Oxford OX1 3NP (United Kingdom)
- Dept. of Physics, U. of Illinois at Urbana-Champaign, 1110 W. Green St., Urbana, IL 61801 (United States)