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Название: Spontaneous Magnetization of the Ising Model on a Layered Square Lattice
Авторы: Lin K.Y., Ma S.K.
Journal of Statistical Physics, Vol. 51, Nos. 3/4, 1988. p. 491-499.
We have studied the Ising model on a layered square lattice with four different coupling constants and two different magnetic moments. The partition function at zero magnetic field is derived exactly. We propose a formula for the spontaneous magnetization which agrees with the exact low-temperature series expansion up to the 16th order and reduces to the exact result of Au-Yang and McCoy in a special case.