1. Small rare gas clusters in XUV laser pulses.
- Author
-
Bauer, D.
- Subjects
- *
MOLECULAR dynamics , *LASERS , *IONIZATION (Atomic physics) , *ELECTRONS , *ATOMS , *ABSORPTION - Abstract
Semi-classical molecular dynamics simulations of small rare gas clusters in short laser pulses of 100 nm wavelength were performed. For comparison, the cluster response to 800 nm laser pulses was investigated as well. The inner ionization dynamics of multi-electron atoms inside the cluster was treated explicitly. The simulation results underpin the belief that at XUV (extreme ultraviolet) wavelengths collisions play an important role in the energy absorption. The generation of the surprisingly high charge states of Xe atoms inside clusters, as they were observed in a free-electron laser experiment at DESY, Hamburg, Germany by Wabnitz et al. is due to the reduced ionization potential of atoms inside charged clusters, the ionization ignition mechanism, and collisions. [ABSTRACT FROM AUTHOR]
- Published
- 2004
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