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    Threshold shift and above-threshold multiphoton ionization of atomic hydrogen in intense laser fields

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    ChuShih-I_11-1-1985.pdf (356.9Kb)
    Issue Date
    1985-11-01
    Author
    Chu, Shih-I
    Cooper, J.
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    Accurate ab initio nonperturbative L2 non-Hermitian Floquet calculations for intensity-dependent threshold shifts and ground-state total ionization widths (rates) for one-, two-, and three-photon-dominant intense-field ionization of atomic hydrogen are presented. The results show the importance of both the ac Stark shift and the pondermotive potential in the determination of the net threshold shift. In addition, branching ratios to individual continua have been estimated, yielding physical insights regarding the general features and mechanisms of the frequency- and intensity-dependent continuum-continuum transitions and ‘‘peak switching’’ phenomena in the above-threshold ionization processes.
    Description
    This is the published version, also available here: http://dx.doi.org/10.1103/PhysRevA.32.2769.
    URI
    http://hdl.handle.net/1808/16023
    DOI
    https://doi.org/10.1103/PhysRevA.32.2769
    Collections
    • Chemistry Scholarly Works [610]
    Citation
    Chu, Shih-I. & Cooper, J. "Threshold shift and above-threshold multiphoton ionization of atomic hydrogen in intense laser fields." Phys. Rev. A 32, 2769 – Published 1 November 1985. http://dx.doi.org/10.1103/PhysRevA.32.2769.

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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