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Phys Rev Lett. 2007 Aug 24;99(8):083401. Epub 2007 Aug 24.

Multiscale dynamics of cluster fragmentation.

Author information

1
Laboratoire de Chimie et Physique Quantiques, IRSAMC, Université Paul Sabatier, 118 Route de Narbonne, F31062, Toulouse Cedex, France. fcalvo@lasim.univ-lyon1.fr

Abstract

The fragmentation of rare-gas clusters is theoretically investigated over time scales ranging from ionization and electronic excitation ( approximately fs) up to experimentally relevant times ( approximately ms). For this purpose a combination of methods are used, including nonadiabatic molecular dynamics, classical dynamics on the ground electronic state surface, and a kinetic description for the final evaporative cascade. The present multiscale protocol shows that, although the clusters are strongly out of equilibrium upon excitation, the long-time properties appear as statistical already after 1 ps.

PMID:
17930947
DOI:
10.1103/PhysRevLett.99.083401
[Indexed for MEDLINE]
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