Monte Carlo evaluations of interfacial tension and universal amplitude ratios of the three-dimensional Ising model

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Abstract
The interfacial tension of the simple-cubic Ising model near the transition temperature has been calculated with use of an extension of a recently proposed novel Monte Carlo method. Finite-size scaling theory was used to analyze the results and to obtain the surface tension amplitude. Universal ratios involving the surface tension amplitude are evaluated. Previous ambiguities in the theoretical value of the ratio involving the surface tension and specific-heat amplitudes have been clarified.