二十面体团簇中原子集体振动的激励依赖性
Stimulus dependence of the collective vibration of atoms in an icosahedral cluster
摘要：
用分子动力学计算了Lennard-Jones 147原子团簇中原子的振动行为，发现团簇中原子集体振动的弛豫和稳定性依赖于机械扰动的程度.相对较大尺度的扰动将导致振动幅度、电势和动能的衰减比由小尺度刺激物刺激的振动更快。
英文摘要：
Molecular dynamics calculations of the vibrational behavior of atoms in a Lennard-Jones 147-atom cluster revealed that the relaxation and the stability of the collective vibration of atoms in the cluster depend on the extent of the mechanical disturbance. A relatively larger-scale perturbation will cause a faster decay of the vibration magnitude, the potential and the kinetic energy compared to the vibration stimulated by a small-scale stimulus.
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