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稳恒磁场中极性晶体膜内电子—表面声子强耦合磁极化子的有效质量

Keywords: 极性晶体膜磁极化子有效质量电子-声子相互作用外磁场强耦合

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Abstract:

采用Tokuda改进的线性组合算符、Lagrange乘子和变分法,讨论了磁场中极性晶体膜内电子-表面光学(SO)声子强耦合和电子-体纵光学(LO)声子弱耦合磁极化子的有效质量,得出了磁极化子的有效质量随膜厚的增加而先减小后增加,最后趋于一个稳定值,随磁场的增加而增加。

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