Document Type

Article

Publication Title

Journal of Physics B: Atomic, Molecular and Optical Physics

Abstract

Longitudinal momentum spectra and electron drift directions are considered for several laser wavelengths in non-sequential double ionization of helium using three-dimensional classical ensembles. In this model, the familiar doublet for wavelength 800 nm and intensities of order 5 × 1014 W cm-2 becomes a triplet for wavelength 1314 nm, then a doublet for 2017 nm. The results are explained based on whether the post-ionization impulse from the laser results in backward drift for one or both electrons.

DOI

10.1088/0953-4075/42/13/134009

Publication Date

11-9-2009

Included in

Physics Commons

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