Abstract
We study the Blume-Capel model on the square lattice. To allow for wetting and interfacial adsorption, the spins on opposite boundaries are fixed in two different states, “+1” and “−1”, with reduced couplings at one of the boundaries. Using mainly Monte Carlo techniques, of Metropolis and Wang-Landau type, phase diagrams showing bulk and wetting transitions are determined. The role of the non-boundary state, “0”, adsorbed preferably at the interface between “−1” and “+1” rich regions, is elucidated.
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Fytas, N.G., Selke, W. Wetting and interfacial adsorption in the Blume-Capel model on the square lattice. Eur. Phys. J. B 86, 365 (2013). https://doi.org/10.1140/epjb/e2013-40475-6
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DOI: https://doi.org/10.1140/epjb/e2013-40475-6