✦ LIBER ✦

Spheroidal and torsional vibrations of nearly spherical Ar clusters calculated by molecular dynamics

✍ Scribed by Yasushi Ozaki; Masahiko Ichihashi; Tamotsu Kondow

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 317 KB
Volume: 188
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(92)80865-9

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✦ Synopsis

The vibrational motions of nearly spherical Ar~3, Ar30 and Ar55 clusters were studied by use of the molecular dynamics method and were analyzed in terms of the modes of a dense-sphere vibration. Breathing, quadruple spheroidal and quadruple torsional vibrations were extracted from the motion of Ar atoms in these clusters and the frequency spectra for these modes were determined. The vibrational modes were found to be well separated from one another. This mode analysis is generally applicable to the investigation of the collective vibrations of clusters, which accompany structural changes.

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