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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 18 — Aug. 27, 2012
  • pp: 20201–20209

Revealing the multi-electron effects in sequential double ionization using classical simulations

Yueming Zhou, Cheng Huang, and Peixiang Lu  »View Author Affiliations

Optics Express, Vol. 20, Issue 18, pp. 20201-20209 (2012)

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We theoretically investigated sequential double ionization (SDI) of Ar by the nearly circularly polarized laser pulses with a fully correlated classical ensemble model. The ion momentum distributions of our numerical results at various laser intensities and pulse durations agree well with the experimental results. The experimentally observed multi-electron effects embodied in the joint momentum spectrum of the two electrons is also reproduced by our correlated classical calculations. Interestingly, our calculations show that the angular distribution of the first photoelectron from the trajectories which eventually suffer SDI differs from the distribution of the photoelectrons from above-threshold ionization trajectories. This observation provides additional evidence of multi-electron effects in strong field SDI.

© 2012 OSA

OCIS Codes
(020.4180) Atomic and molecular physics : Multiphoton processes
(260.3230) Physical optics : Ionization
(270.6620) Quantum optics : Strong-field processes

ToC Category:
Atomic and Molecular Physics

Original Manuscript: July 5, 2012
Manuscript Accepted: August 8, 2012
Published: August 20, 2012

Yueming Zhou, Cheng Huang, and Peixiang Lu, "Revealing the multi-electron effects in sequential double ionization using classical simulations," Opt. Express 20, 20201-20209 (2012)

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