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Wave-packet analysis of strong-field ionization of sodium in the quasistatic regime*

The European Physical Journal D volume 70, Article number: 116 (2016) Cite this article

Abstract

Strong field ionization of the sodium atom in the tunnelling and over-the-barrier regimes is studied by examining the valence electron wave-packet dynamics in the static electric field. The lowest state energy and the ionization rate determined by this method for different strengths of the applied field agree well with the results obtained using other methods. The initial period of the nonstationary decay after switching the field on is analyzed and discussed. It is demonstrated that, if the Keldysh parameter is significantly lower than one (quasistatic regime), the probability of ionization by a laser pulse can be obtained from the static rates.

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Authors and Affiliations

  1. Institute of Physics, University of Belgrade, P.O. Box 57, 11001, Belgrade, Serbia

    Andrej Bunjac, Duška B. Popović & Nenad S. Simonović

Authors
  1. Andrej Bunjac
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  2. Duška B. Popović
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  3. Nenad S. Simonović
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Correspondence to Nenad S. Simonović.

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Bunjac, A., Popović, D. & Simonović, N. Wave-packet analysis of strong-field ionization of sodium in the quasistatic regime*. Eur. Phys. J. D 70, 116 (2016). https://doi.org/10.1140/epjd/e2016-60738-0

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  • DOI: https://doi.org/10.1140/epjd/e2016-60738-0

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