Exact Solution of the Ising Model on the Cayley Tree with Competing Ternary and Binary Interactions
Teoretičeskaâ i matematičeskaâ fizika, Tome 130 (2002) no. 3, pp. 493-499
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The exact solution is found for the problem of phase transitions in the Ising model with competing ternary and binary interactions. For the pair of parameters $\theta =\theta (J)$ and $\theta _1=\theta _1(J_1)$ in the plane $(\theta _1,\theta )$, we find two critical curves such that a phase transition occurs for all pairs $(\theta _1,\theta )$ lying between the curves.
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