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Название: Exact Analysis of a Lattice Gas on the 3-12 Lattice with Two- and Three-Site Interactions
Авторы: Ting J.J.-L., Lin S.C., Wu F.Y.
Journal of Statistical Physics, Vol. 62, Nos. 1/2, 1991. p. 35-43.
Exact results are obtained for a lattice gas on the 3-12 lattice with two- and three-site interactions. By using a decoration transformation, we map the lattice gas into one on the honeycomb lattice with pure two-site interactions. This procedure permits us to draw exact results for the original 3-12 lattice gas. In particular, we obtain its exact two-phase boundary, and confirm the fact that an experimentally observed anomaly in the critical behavior of the coexistence-curve diameter is present if, and only if, the three-site interactions are present.