Ionization of clusters in strong X-ray laser pulses

Details Ionization of clusters in strong X-ray laser pulses Ionization of clusters in strong X-ray laser pulses

2002-06-21

arxiv.org/abs/physics/0206079v1

Phys.Rev.Lett. 89, 143401 (2002)

Physics

Atomic and Molecular Clusters

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.89.143401

The effect of intense X-ray laser interaction on argon clusters is studied theoretically with a mixed quantum/classical approach. In comparison to a single atom we find that ionization of the cluster is suppressed, which is in striking contrast to the observed behavior of rare-gas clusters in intense optical laser pulses. We have identified two effects responsible for this phenomenon: A high space charge of the cluster in combination with a small quiver amplitude and delocalization of electrons in the cluster. We elucidate their impact for different field strengths and cluster sizes.

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