期刊
PHYSICAL REVIEW A
卷 82, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.82.053402
关键词
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资金
- National Natural Science Foundation of China [10774054]
- National Science Fund for Distinguished Young Scholars [60925021]
- 973 Program of China [2011CB808103]
With the classical three-dimensional ensemble model, we have investigated the microscopic recollision dynamics in nonsequential double ionization of helium by 800-nm laser pulses at 2.0 PW/cm(2). We demonstrate that the asymmetric energy sharing between the two electrons at recollision plays a decisive role in forming the experimentally observed V-shaped structure in the correlated longitudinal electron momentum spectrum at the high laser intensity [Phys. Rev. Lett. 99, 263003 (2007)]. This asymmetric energy-sharing recollision leaves footprints on the transverse electron momentum spectra, which provide insight into the attosecond three-body interactions.
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