利用线性组合算符和幺正变换相结合的方法,研究了声子色散对极性晶体中磁极化子性质的影响.计及纵光学(LO)声子色散,在抛物近似下导出了极性晶体中磁极化子基态能量、自陷能和基态Landau能随声子色散系数、回旋共振频率和电子-纵光学声子耦合强度的变化关系.数值计算结果表明基态能量随声子色散系数、电子-纵光学声子耦合强度的增大而减小.自陷能随声子色散系数和电子-纵光学声子耦合强度的增大而增大.基态Landau能随电子-纵光学声子耦合强度的增大先增大到最大值后又减小,随声子色散系数的增大而增大.
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