Multielectron ionization of large rare gas clusters

Isidore Last, Joshua Jortner*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

In this paper we describe high-order multielectron ionization of large rare-gas clusters in strong laser fields in terms of initial ionization due to the suppression of electrostatic barriers and a subsequent dynamic ignition process in the Coulomb exploding cluster. The mechanism of a Xe1100 cluster ionization in a strong laser field of 1016 W/cm2 is studied in a one-electron, one-dimensional approximation. The initial ionization is realized up to the total charge of Qc ≈ 1200. In the interval 2600 < Qc < 6600, where electrons are moving almost freely inside the cluster due to their high kinetic energy, the mechanisms of a direct energy enhancement are responsible for ionization. The Qc > 6600 ionization becomes possible when the cluster spatial expansion due to Coulomb explosion is taken into account.

Original languageEnglish
Pages (from-to)9655-9659
Number of pages5
JournalJournal of Physical Chemistry A
Volume102
Issue number47
DOIs
StatePublished - 19 Nov 1998

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