Costabile, Emanuel; Roberto Viana, J.; Ricardo de Sousa, J. - In: Physica A: Statistical Mechanics and its Applications 393 (2014) C, pp. 297-303
The general-spin Blume–Capel model is studied by using an effective-field theory with correlation. An expression for the free energy within the effective-field theory is proposed, and the complete phase diagram is constructed in the temperature and single-ion anisotropy plane. The first-order...
