Laser-enabled Auger decay in rare-gas atoms

In rare-gas atoms, Auger decay in which an inner-valence shell ns hole is filled is not energetically allowed. However, in the presence of a strong laser field, a new laser-enabled Auger decay channel can open up to increase the double-ionization yield. This process is efficient at high laser intens...

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Bibliographic Details
Published in:Physical review letters 2011-02, Vol.106 (5), p.053002-053002
Main Authors: Ranitovic, P, Tong, X M, Hogle, C W, Zhou, X, Liu, Y, Toshima, N, Murnane, M M, Kapteyn, H C
Format: Article
Language:English
Subjects:
ATOMIC AND MOLECULAR PHYSICS
ATOMS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
DECAY
ELECTROMAGNETIC RADIATION
ELEMENTS
FLUIDS
GASES
HOLES
IONIZATION
LASER RADIATION
NONMETALS
RADIATIONS
RARE GASES
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Summary:In rare-gas atoms, Auger decay in which an inner-valence shell ns hole is filled is not energetically allowed. However, in the presence of a strong laser field, a new laser-enabled Auger decay channel can open up to increase the double-ionization yield. This process is efficient at high laser intensities, where an ns hole can be filled within a few femtoseconds of its creation. This novel laser-enabled Auger decay process is of fundamental importance for controlling electron dynamics in atoms, molecules, and materials.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.106.053002