Interfacial adsorption in two-dimensional Potts models
E. Carlon, F. Igloi, W. Selke, F. Szalma
Abstract
The interfacial adsorption W at the first-order transition in two-dimensional q-state Potts models is studied. In particular, findings of Monte Carlo simulations and of density-matrix renormalization group calculations, at q= 16, are consistent with the analytic result, obtained in the Hamiltonian limit at large values of q, that W t-1/3 on approach to the bulk critical temperature Tc, t=|Tc-T|/Tc. In addition, the numerical findings allow to estimate corrections to scaling. Our study supports and specifies a previous conclusion by Bricmont and Lebowitz based on low-temperature expansions.
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