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Название: Multilayer Wetting in Clock Models
Авторы: Berlier K., De Coninck J., Dunlop F.
Journal of Statistical Physics, Vol. 61, Nos. 1/2, 1990. p. 179-186.
We show that the interface between two coexisting phases of the q-state clock model is wetted for any temperature by a stack of films of the phases corresponding to the intermediate angles, assuming q even and q >/ 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.