Strong-field ionization dynamics of a model H2 molecule

Manfred Lein, Thomas Kreibich, E. K. U. Gross, and Volker Engel
Phys. Rev. A 65, 033403 – Published 1 February 2002
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Abstract

We investigate the dynamics of a one-dimensional H2 model molecule in strong laser fields by numerical integration of the time-dependent Schrödinger equation without the use of the Born–Oppenheimer approximation. Ionization typically occurs at internuclear separations close to the ground-state equilibrium distance. This is contrary to the case of H2+, which ionizes at larger internuclear distances where charge-resonance-enhanced ionization is possible. Similar to the case of atoms, we find considerable nonsequential double ionization.

  • Received 28 August 2001

DOI:https://doi.org/10.1103/PhysRevA.65.033403

©2002 American Physical Society

Authors & Affiliations

Manfred Lein1, Thomas Kreibich2, E. K. U. Gross3, and Volker Engel4

  • 1Blackett Laboratory, Imperial College of Science, Technology and Medicine, London SW7 2BW, United Kingdom
  • 2Institut für Theoretische Physik, Am Hubland, D-97074 Würzburg, Germany
  • 3Institut für Theoretische Physik, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin, Germany
  • 4Institut für Physikalische Chemie, Am Hubland, D-97074 Würzburg, Germany

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Vol. 65, Iss. 3 — March 2002

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