Reference : Multi-electron dynamics for neutralization of highly charged ions near surfaces
Scientific congresses, symposiums and conference proceedings : Paper published in a journal
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/17589
Multi-electron dynamics for neutralization of highly charged ions near surfaces
English
Burgdorfer, J. [Technische Universität Wien = Vienna University of Technology - TU Vienna > Institute for Theoretical Physics]
Wirtz, Ludger mailto [Institute for Theoretical Physics, Vienna University of Technology / Department of Material Physics, University of the Basque Country, and Donostia International Physics Center]
Reinhold, C. O. [Oak Ridge National Laboratory > Physics division]
Lemell, C. [Technische Universität Wien = Vienna University of Technology - TU Vienna > Institute for Theoretical Physics]
2004
Vacuum
Pergamon Press
73
1
3-7
Yes
International
0042-207X
16th International Conference on Ion-Surface Interactions (ISI) Zvenigorod RUSSIA Russian Acad Sci
AUG 25-29, 2003
[en] We present a simulation of the neutralization of highly charged ions in front of a lithium fluoride surface including the close-collision regime above the surface. The present approach employs a Monte-Carlo solution of the Liouville master equation for the joint probability density of the ionic motion and the electronic population of the projectile and the target surface. It includes single as well as double particle-hole (de)excitation processes and incorporates electron correlation effects through the conditional dynamics of population strings. For slow projectiles and normal incidence, the ionic motion depends sensitively on the interplay between image acceleration towards the surface and repulsion by an ensemble of positive hole charges in the surface ("trampoline effect"). For Ne10+ we find that image acceleration is dominant and no collective backscattering high above the surface takes place. (C) 2004 Elsevier Ltd. All rights reserved.
http://hdl.handle.net/10993/17589
10.1016/j.vacuum.2003.12.033
AUG 25-29, 2003
16th International Conference on Ion-Surface Interactions (ISI)
Zvenigorod
RUSSIA
Russian Acad Sci

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