Interferences and asymmetries in laser-assisted photoionization of diatomic molecules

Diego I. R. Boll and Omar A. Fojón
Phys. Rev. A 90, 053414 – Published 12 November 2014

Abstract

Several kinds of interference effects in laser-assisted photoionization of H2+ molecular targets are theoretically investigated by means of a Coulomb-Volkov model. The photoelectron angular distributions in the single-photon ionization reaction are compared to more elaborated results, and the influence of usual approximations are studied. Several configurations of pulses and assistant lasers are considered. Moreover, we show that previous interference effects predicted for monochromatic pulses could be enhanced and/or diminished leading to a directional selectivity of photoelectron emission. Finally, we analyze the influence of the pulse duration on the photoelectron spectrum.

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  • Received 20 August 2014

DOI:https://doi.org/10.1103/PhysRevA.90.053414

©2014 American Physical Society

Authors & Affiliations

Diego I. R. Boll and Omar A. Fojón*

  • Instituto de Física Rosario, CONICET-UNR, Blvd. 27 de Febrero 210 bis, 2000 Rosario, Argentina

  • *Escuela de Ciencias Exactas y Naturales, Universidad Nacional de Rosario, Argentina.

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Vol. 90, Iss. 5 — November 2014

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