Kaneyoshi, T. - In: Physica A: Statistical Mechanics and its Applications 269 (1999) 2, pp. 357-368
A new type of cluster theory in Ising models with an arbitrary spin S(S12) is presented by the use of the differential operator technique and Ising spin identities. The formulations for evaluating the transition line are derived for the two Ising systems with S=1 and 32 as well as for the spin-S...