Hasenbusch, M; Marcu, M; Pinn, K - In: Physica A: Statistical Mechanics and its Applications 211 (1994) 2, pp. 255-278
We study the expansion of the surface thickness in the 2-dimensional lattice sine Gordon model in powers of the fugacity z. Using the expansion to order z2, we derive lines of constant physics in the rough phase. We describe and test a VMR cluster algorithm for the Monte Carlo simulation of the...