Dynamics of an argon cluster following impulsive excitation studied by molecular-dynamics simulation

Akira Terasaki, Tamotsu Kondow

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

Molecular-dynamics simulation is presented for an argon cluster, Ar2057, excited impulsively via instantaneous kinetic-energy deposition to constituent atoms in a hemispherical region. A critical energy is found for the fragmentation process of an unexcited volume of the cluster, above which fission is induced, whereas ejection of atoms predominates below this threshold energy. The fission process is shown to be accompanied by a shock wave propagating across the cluster. This simulation provides a qualitative model for the disintegration dynamics of a liquid micro-droplet excited by a mid-infrared laser pulse tuned to strong absorption [A. Terasaki, J. Phys. Chem. A 111 (2007) 7671].

本文言語英語
ページ(範囲)57-61
ページ数5
ジャーナルChemical Physics Letters
474
1-3
DOI
出版ステータス出版済み - 5 25 2009
外部発表はい

All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)
  • 物理化学および理論化学

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