The influences of optical phonon and acoustic phonon on the magnetic excitation of the system are compared, and the influences of the parameter change on the magnon softening are also studied.

• 利用松原格林函数理论研究了系统的磁激发,计算了布里渊区的主要对称点线上的磁振子色散曲线,比较了光频支声子与声频支声子对系统磁激发的影响以及各项参数的变化对磁振子软化的影响。