Lacková, Silvia; Horiguchi, Tsuyoshi; Jaščur, Michal - In: Physica A: Statistical Mechanics and its Applications 326 (2003) 1, pp. 189-202
A mixed spin-12 and spin-S transverse Ising model with two- and four-spin interactions on the honeycomb lattice is studied using a generalized mapping transformation technique. The exact expressions for the critical temperature, the magnetization, the correlation functions, the internal energy...
