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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 11 — May. 21, 2012
  • pp: 11700–11709

Classical simulations of electron emissions from H 2 + by circularly polarized laser pulses

Cheng Huang, Zhihua Li, Yueming Zhou, Qingbin Tang, Qing Liao, and Peixiang Lu  »View Author Affiliations

Optics Express, Vol. 20, Issue 11, pp. 11700-11709 (2012)

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With the classical fermion molecular dynamics model (FMD), we investigated electron emissions from H 2 + by circularly polarized laser pulses. The obtained electron momentum distribution clearly shows an angular shift relative to the expected direction for H 2 + aligned parallel to the polarization plane, which is in good agreement with the recent experimental result. By tracing the classical trajectory, we provide direct evidence for the electron delayed emission with respect to the instant when the electric field is parallel to the molecular axis, which was regarded as the origin of the angular shift in the electron momentum distribution. Furthermore, we find that the angular shift decreases with increasing the laser wavelength.

© 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: April 12, 2012
Revised Manuscript: May 4, 2012
Manuscript Accepted: May 4, 2012
Published: May 8, 2012

Cheng Huang, Zhihua Li, Yueming Zhou, Qingbin Tang, Qing Liao, and Peixiang Lu, "Classical simulations of electron emissions from H2+ by circularly polarized laser pulses," Opt. Express 20, 11700-11709 (2012)

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