To investigate the magnetization and the effect of anisotropy on thermal properties in external magnetic field,the transfer matrix method is used to calculate exactly the solution to the magnetization in Ising spin ladder with S=1 and S=3/2 mixed together.
利用传递矩阵方法严格求解了混自旋S=1和S=3/2组成的伊辛自旋梯,考察了系统的磁化过程及外磁场下各向异性对系统热力学性质的影响。