Abstract:A method of the reduction of the generalized arbitrary spin two-dimensional Ising model to the spin-half Ising model is presented. The method is demonstrated in detail by calculating the effective interaction constants to the third order in a cumulant expansion for the triangular spin-one Ising model (the Blume-Emery-Griffiths model).Es wird eine Methode der Zuriickfiihrung des verallgemeinerten zweidimensionalen Ising-Modells fur Spins beliebiger GroDe auf das Ising-Model1 fur den Spin + dargestellt. Durch di… Show more
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