几何约束下的光谱学：扭摆
Spectroscopy in the Presence of Geometrical Constraints: A Torsional Pendulum
摘要：
我们证明了非谐性以外的效应可以严重扭曲量子力学系统的光谱特征。这是通过一个简单的系统，带电扭摆的光谱响应的分析计算。人们可以在真实系统的光学数据中寻找这些效应，例如当刚性多面体的显著摇摆分量在晶格动力学中起重要作用时。
英文摘要：
We demonstrate that an effect other than anharmonicity can severely distort the spectroscopic signatures of quantum mechanical systems. This is done through an analytic calculation of the spectroscopic response of a simple system, a charged torsional pendulum. One may look for these effects in the optical data of real systems when for example a significant rocking component of rigid polyhedra plays a significant role in the lattice dynamics.
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