Molecular strong field ionization and high harmonic generation: A selection of computational illustrations

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DOIResolve DOI: http://doi.org/10.1016/j.chemphys.2011.12.016
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TypeArticle
Journal titleChemical Physics
ISSN0301-0104
Volume414
Pages1019; # of pages: 10
AbstractStrong field ionization (SFI) and high harmonic generation (HHG) are the central processes that enable attosecond physics. To date, most theoretical investigations of SFI and HHG rely on semiclassical methods, most notably the strong field approximation (SFA), which treats the continuum states of the liberated electron as plane waves. SFA is a very successful conceptual model for atoms and small molecules, and leads to an intuitively satisfying picture of HHG (i.e. the three-step model). However, as SFI and HHG experiments enter the regime of polyatomic molecules, many approximations made in SFA-type models can no longer be ignored even for a qualitatively correct understanding. In this contribution, we present a selection of results from our efforts toward ab initio modeling of strong field processes in molecular systems. The method is applicable to single-electron ionization and HHG of gas-phase polyatomic molecular targets. © 2012 Elsevier B.V. All rights reserved.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Steacie Institute for Molecular Sciences (SIMS-ISSM)
Peer reviewedYes
NPARC number21269807
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Record identifier962b9ecb-94c2-41ff-93b5-0620762ff037
Record created2013-12-13
Record modified2016-05-09
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