Subcycle control of electron-electron correlation in double ionization

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DOIResolve DOI: http://doi.org/10.1103/PhysRevLett.112.193002
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TypeArticle
Journal titlePhysical Review Letters
ISSN0031-9007
Volume112
Issue19
Article number193002
SubjectComputer simulation; Electric fields; Ionization of gases; Coincidence momentum imaging; Double ionization; Electron recollisions; Electron-electron correlation; Emission dynamics; Laser fields; Nonsequential double ionizations; Trajectory modeling; Electron emission
AbstractDouble ionization of neon with orthogonally polarized two-color (OTC) laser fields is investigated using coincidence momentum imaging. We show that the two-electron emission dynamics in nonsequential double ionization can be controlled by tuning the subcycle shape of the electric field of the OTC pulses. We demonstrate experimentally switching from correlated to anticorrelated two-electron emission, and control over the directionality of the two-electron emission. Simulations based on a semiclassical trajectory model qualitatively explain the experimental results by a subcycle dependence of the electron recollision time on the OTC field shape. © 2014 American Physical Society.
Publication date
LanguageEnglish
AffiliationSecurity and Disruptive Technologies; National Research Council Canada
Peer reviewedYes
NPARC number21276218
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Record identifiereb1bc9a5-32d4-4440-ac44-07d624a63a90
Record created2015-09-28
Record modified2016-05-09
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