Mert, Gülistan - In: Physica A: Statistical Mechanics and its Applications 404 (2014) C, pp. 217-223
The various types of magnetizations of a four-sublattice mixed-spin Heisenberg ferrimagnetic system are investigated with the help of the double-time temperature-dependent Green’s function technique. One obtains the first-order phase transitions from ferrimagnetic states to ferrimagnetic or...