Polyatomic molecules in strong laser fields: Nonadiabatic multielectron dynamics

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DOIResolve DOI: http://doi.org/10.1063/1.1487823
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TypeArticle
Journal titleThe Journal Of Chemical Physics
Volume117
Issue4
Pages15751588; # of pages: 14
Subjectionisation potential; molecule-photon collisions; photoionisation
AbstractWe report the observation and characterization of a new nonresonant strong field ionization mechanism in polyatomic molecules: Nonadiabatic multi-electron (NME) dynamics. The strong field response of a given molecule depends on important properties such as molecular geometry and bonding, the path length of delocalized electrons and/or ionization potential as well as on basic laser pulse parameters such as wavelength and intensity. Popular quasi-static tunnelling models of strong field molecular ionization, based upon the adiabatic response of a single active electron, are demonstrated to be inadequate when electron delocalization is important. The NME ionization mechanism greatly affects molecular ionization, its fragmentation and its energetics. In addition, multi-electron effects are shown to be present even in the adiabatic long wavelength limit.
Publication date
PublisherAIP Publishing
LanguageEnglish
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences; Security and Disruptive Technologies
Peer reviewedYes
NPARC number12327909
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Record identifierae699f7b-9fcf-4d72-a879-81e3def6c0ba
Record created2009-09-10
Record modified2016-05-09
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