Research Papers in Physics and Astronomy

 

Date of this Version

11-2013

Citation

PHYSICAL REVIEW A 88, 053411 (2013)

Comments

Copyright © 2013 American Physical Society. Used by permission.

Abstract

The carrier-envelope-phase (CEP) dependence of electron angular distributions in double ionization of He by an arbitrarily polarized, few-cycle, intense XUV pulse is formulated using perturbation theory (PT) in the pulse amplitude. Owing to the broad pulse bandwidth, interference of first- and second-order PT amplitudes produces asymmetric angular distributions sensitive to the CEP. The PT parametrization is shown to be valid by comparing with results of solutions of the full-dimensional, two-electron time-dependent Schrödinger equation for the case of linear polarization.

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