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Название: Interfacial Free Energy of the Two-Dimensional lsing Model from the Renormalization Group
Авторы: Bilaibegovic G., Svrakie N.M.
Journal of Statistical Physics, Vol. 46, Nos. 3/4, 1987. p. 777-787.
The interfacial free energy of a two-dimensional Ising model is calculated by using various renormalization group schemes. The results obtained are quantitatively consistent with known exact results. In addition, a general discussion of various drawbacks within different renormalization group approximations is given. The best result are obtained with the 4 x 4 finite cluster approximation, while the Migdal-Kadanoff approximation seems to be inherently unsuitable for calculation of interfacial properties.