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Phys. Rev. A 76, 043203 (2007) [8 pages]

Clusters under strong vuv pulses: A quantum-classical hybrid description incorporating plasma effects

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Ionuţ Georgescu, Ulf Saalmann, and Jan M. Rost
Max Planck Institute for the Physics of Complex Systems, Nöthnitzer Straße 38, 01187 Dresden, Germany

Received 24 May 2007; published 10 October 2007

The quantum-classical hybrid description of rare-gas clusters interacting with intense light pulses which we have developed is described in detail. Much emphasis is put on the treatment of screening electrons in the cluster which set the time scale for the evolution of the system and form the link between electrons strongly bound to ions and quasifree plasma electrons in the cluster. As an example, we discuss the dynamics of an Ar147 cluster exposed to a short vuv laser pulse of 20 eV photon energy.

© 2007 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.76.043203
DOI:
10.1103/PhysRevA.76.043203
PACS:
36.40.Gk, 32.80.−t, 52.50.Jm, 36.40.Wa