原子团簇振动激发的对称性适应方法
A symmetry adapted approach to vibrational excitations in atomic clusters
摘要：
一种特别适合于描述分子中强非谐振动光谱的代数方法可能是研究Na $^+_n$团簇振动光谱的一个合适的框架，其中近平坦的势能面和出现的近躺异构体已被报道。作为一个例子，我们描述了该模型，并将其应用到被$_4$，H $_3^+$，被$_3$和Na $_3^+$集群。
英文摘要：
An algebraic method especially suited to describe strongly anharmonic vibrational spectra in molecules may be an appropriate framework to study vibrational spectra of Na$^+_n$ clusters, where nearly flat potential energy surfaces and the appearance of close lying isomers have been reported. As an illustration we describe the model and apply it to the Be$_4$, H$_3^+$, Be$_3$ and Na$_3^+$ clusters.
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