Contribution of recollision ionization to the cross-shaped structure in nonsequential double ionization
作者： Cheng Huang , Yueming Zhou , Qingbin Zhang , Peixiang Lu
DOI: 10.1364/OE.21.011382
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摘要: With the three-dimensional classical ensemble model, we investigate correlated electron emission in nonsequential double ionization (NSDI) of argon atoms by few-cycle laser pulses. Our calculations well reproduce experimentally observed cross-shaped structure two-electron momentum spectrum [ Nature Commun. 3, 813 (2012)]. By tracing these NSDI trajectories, find that besides process recollision-induced excitation with subsequent just before next field maximum, recollision also significantly contributes to structure.
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