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    Effects of multiple electronic shells on strong-field multiphoton ionization and high-order harmonic generation of diatomic molecules with arbitrary orientation: An all-electron time-dependent density-functional approach

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    ChuShih-I_10-20-2009.pdf (346.8Kb)
    Issue Date
    2009-10-20
    Author
    Chu, Shih-I
    Telnov, Dmitry A.
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
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    Abstract
    We present a time-dependent density-functional theory approach with proper long-range potential for an ab initio study of the effect of correlated multielectron responses on the multiphoton ionization (MPI) and high-order harmonic generation (HHG) of diatomic molecules N2 and F2 in intense short laser pulse fields with arbitrary molecular orientation. We show that the contributions of inner molecular orbitals to the total MPI probability can be sufficiently large or even dominant over the highest-occupied molecular orbital, depending on detailed electronic structure and symmetry, laser field intensity, and orientation angle. The multielectron effects in HHG are also very important. They are responsible for enhanced HHG at some orientations of the molecular axis. Even strongly bound electrons may have a significant influence on the HHG process.
    Description
    This is the published version, also available here: http://dx.doi.org/10.1103/PhysRevA.80.043412.
    URI
    http://hdl.handle.net/1808/15993
    DOI
    https://doi.org/10.1103/PhysRevA.80.043412
    Collections
    • Chemistry Scholarly Works [557]
    Citation
    Chu, Shih-I & Telnov, Dmitry A. "Effects of multiple electronic shells on strong-field multiphoton ionization and high-order harmonic generation of diatomic molecules with arbitrary orientation: An all-electron time-dependent density-functional approach." Phys. Rev. A 80, 043412 – Published 20 October 2009. http://dx.doi.org/10.1103/PhysRevA.80.043412.

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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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