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Ionization and stabilization of atoms in a high-intensity, low-frequency laser field

  • Atoms, Molecules, Optics
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Abstract

The dynamics of a model silver atom in the strong radiation field of a Ti:sapphire laser is studied in the Keldysh parameter regions γ ⩾ 1 and γ ⩽ 1. It is found that in the entire range of Keldysh parameter variations, along with ionization, the efficient excitation of Rydberg states of the atom with principal quantum numbers n = 6−14 is observed. A Rydberg wavepacket appearing in this case proved stable with respect to ionization; i.e., the atomic system in strong low-frequency electromagnetic fields becomes stable with respect to ionization. The physical reasons behind the stabilization are discussed.

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Authors and Affiliations

  1. Skobel’tsyn Research Institute of Nuclear Physics, Lomonosov State University, Moscow, 1190991, Russia

    E. A. Volkova, A. M. Popov & O. V. Tikhonova

Authors
  1. E. A. Volkova
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  2. A. M. Popov
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  3. O. V. Tikhonova
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Correspondence to A. M. Popov.

Additional information

Original Russian Text © E.A. Volkova, A.M. Popov, O.V. Tikhonova, 2011, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2011, Vol. 140, No. 3, pp. 450–465.

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Volkova, E.A., Popov, A.M. & Tikhonova, O.V. Ionization and stabilization of atoms in a high-intensity, low-frequency laser field. J. Exp. Theor. Phys. 113, 394–406 (2011). https://doi.org/10.1134/S1063776111080127

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  • DOI: https://doi.org/10.1134/S1063776111080127

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