| Probing the tunnelling site of electrons in strong field enhanced ionization of molecules. | |
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MedLine Citation:
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PMID: 23047671 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Molecules show a much increased multiple ionization rate in a strong laser field as compared with atoms of similar ionization energy. A widely accepted model attributes this to the action of the joint fields of the adjacent ionic core and the laser on its neighbour inside the same molecule. The underlying physical picture for the enhanced ionization is that it is the up-field atom that gets ionized. However, this is still debated and remains unproven. Here we report an experimental verification of this long-standing prediction. This is accomplished by probing the two-site double ionization of ArXe, where the instantaneous field direction at the moment of electron release and the emission direction of the correlated ionizing centre are measured by detecting the recoil sum- and relative-momenta of the fragment ions. Our results unambiguously prove the intuitive picture of the enhanced multielectron dissociative ionization of molecules and clarify a long-standing controversy. |
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Authors:
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J Wu; M Meckel; L Ph H Schmidt; M Kunitski; S Voss; H Sann; H Kim; T Jahnke; A Czasch; R Dörner |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Nature communications Volume: 3 ISSN: 2041-1723 ISO Abbreviation: Nat Commun Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101528555 Medline TA: Nat Commun Country: England |
Other Details:
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Languages: eng Pagination: 1113 Citation Subset: IM |
Affiliation:
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1] Institut für Kernphysik, Goethe-Universität, Max-von-Laue-Strasse 1, D-60438 Frankfurt, Germany. [2] State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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