Abstract
We show that the interface between two coexisting phases of theq-state clock model is wetted for any temperature by a stack of films of the phases corresponding to the intermediate angles, assumingq even andq⩾4. This follows from the positivity of the spreading coefficients, which we prove using correlation inequalities. A small perturbation of the model exhibits a wetting transition in the low-temperature regime.
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Berlier, K., De Coninck, J., Dunlop, F. et al. Multilayer wetting in clock models. J Stat Phys 61, 179–186 (1990). https://doi.org/10.1007/BF01013959
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DOI: https://doi.org/10.1007/BF01013959