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Multiphoton ionization of atoms by an ultrashort laser pulse

  • Atoms, Spectra, Radiations
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Abstract

Closed analytical expressions for the probability of multiphoton ionization of atoms and ions by a time-varying electric field ℰ(t) are obtained by the imaginary time method. These expressions apply for arbitrary values of the Keldysh parameter γ. The dependence of the ionization probability and the photoelectron momentum spectrum on the shape of an ultrashort laser pulse is considered.

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Authors and Affiliations

  1. Institute of Theoretical and Experimental Physics, ul. Bol’shaya Cheremushkinskaya 25, Moscow, 117218, Russia

    V. S. Popov

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  1. V. S. Popov
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Translated from Pis’ma v Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 73, No. 1, 2001, pp. 3–7.

Original Russian Text Copyright © 2001 by Popov.

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Popov, V.S. Multiphoton ionization of atoms by an ultrashort laser pulse. Jetp Lett. 73, 1–5 (2001). https://doi.org/10.1134/1.1355394

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  • DOI: https://doi.org/10.1134/1.1355394

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