Neutral-ionic state correlations in strong-field molecular ionization

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DOIResolve DOI: http://doi.org/10.1103/PhysRevLett.109.203007
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TypeArticle
Journal titlePhysical Review Letters
ISSN0031-9007
Volume109
Issue20
Article number203007
SubjectAmmosov-Delone-Krainov; Bound electrons; Continuum electrons; Continuum state; Dyson orbital; Electronic transition; Ionic state; Ionization events; Molecular cations; Molecular ionization; Quasi-static; Semiclassical tunneling; Strong field ionization; Forecasting; Molecular orbitals; Ionization
AbstractWe study correlations between neutral and ionic states in strong-field molecular ionization. We compare predictions based on Dyson orbital norms and quasistatic semiclassical tunneling theories (Keldysh and molecular orbital Ammosov-Delone-Krainov) with more detailed calculations of strong-field ionization which take into account (i)the Coulomb interaction between the outgoing continuum electron wave packet and the remaining bound electrons and (ii)electron-core interactions that cause distortions of the electronic continuum states during the ionization event. Our results highlight the prominence of electronic rearrangement effects in strong-field ionization with intense ultrafast laser pulses, where the outgoing continuum electron can cause electronic transitions in the parent ion. Calculations and measurements for excited uracil molecules reveal the breakdown of Keldysh-weighted Dyson norm predictions for ionization to different states of the molecular cation in the strong-field regime. © 2012 American Physical Society.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Steacie Institute for Molecular Sciences (SIMS-ISSM)
Peer reviewedYes
NPARC number21269365
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Record identifiera1478a5e-c179-4314-90f6-9bc0ce6f8283
Record created2013-12-12
Record modified2016-05-09
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