We get the lattice wave solution of monatomic chain under the free boundary condition.

在不使用循环边界条件情况下，求解出一维原子链的振动解析解。

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The lattice wave solution of single atomic chain only results from the cyclic boundary condition.

指出一维单原子链的格波解是由于采用了循环边界条件的结果。

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The main topic of this dissertation is the properties of polaritons that result from the coupling between the electromagnetic wave and the lattice wave in polar crystals with strong nonlinearity.

本论文主要从理论上讨论与研究强非线性极性晶体中电磁波和长光学波格波耦合形成的极化激元的特性。

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