Jiang, Wei; Bai, Bao-Dong; Wei, Guo-zhu - In: Physica A: Statistical Mechanics and its Applications 354 (2005) C, pp. 301-311
Magnetic properties of a biaxial spin system on the honeycomb and square lattice have been studied based on the effective-field theory with the differential operator technique. The effects of the external longitudinal magnetic field on the magnetization and susceptibility are discussed in...