Kaneyoshi, T. - In: Physica A: Statistical Mechanics and its Applications 269 (1999) 2, pp. 344-356
A new type of cluster theory in Ising models is presented by the use of differential operator technique and Ising spin identity. In the spin-12 Ising model, it gives the same result as that of the Bethe–Peierls approximation, such as for the transition temperature. The formulation is also...