An approximation of the pressure for the two-dimensional Ising model. (English) Zbl 0771.60101

Summary: A sequence of pressure functions corresponding to some one-dimensional models is used to approximate the pressure function of the two- dimensional Ising model. The rate of convergence is derived and the method is demonstrated with a numerical study.


60K40 Other physical applications of random processes
82B44 Disordered systems (random Ising models, random Schrödinger operators, etc.) in equilibrium statistical mechanics
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