Non-sequential double ionization with near-single cycle laser pulses
作者： A. Chen , M. Kübel , B. Bergues , M. F. Kling , A. Emmanouilidou
DOI: 10.1038/S41598-017-07635-5
关键词: Double ionization 、 Electron 、 Asymmetry 、 Observable 、 Polarization (waves) 、 Laser 、 Physics 、 Semiclassical physics 、 Carrier-envelope phase 、 Atomic physics
摘要: A three-dimensional semiclassical model is used to study double ionization of Ar when driven by a near-infrared and near-single-cycle laser pulse for intensities ranging from 0.85 × 1014 W/cm2 5 × 1014 W/cm2. Asymmetry parameters, distributions the sum two electron momentum components along direction polarization field correlated momenta are computed as function intensity carrier envelope phase. very good agreement found with recently obtained results in kinematically complete experiments employing pulses. Moreover, contribution direct delayed pathways investigated above observables. Finally, an experimentally anti-correlation pattern at higher reproduced shown be due transition strong soft recollisions increasing intensity.
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