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Abstract: With the classical three-dimensional ensemble model, we have investigated themicroscopic recollision dynamics in nonsequential double ionization of heliumby 800 nm laser pulses at 2.0 PW-cm^2. We demonstrate that the asymmetricenergy sharing between the two electrons at recollision plays a decisive rolein forming the experimentally observed V-shaped structure in the correlatedlongitudinal electron momentum spectrum at the high laser intensity Phys. Rev.Lett. 99, 263003 2007. This asymmetric energy sharing recollision leavesfootprints on the transverse electron momentum spectra, which provide a newinsight into the attosecond three-body interactions.



Autor: Yueming Zhou, Qing Liao, Peixiang Lu

Fuente: https://arxiv.org/







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