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Title: Tunneling ionization of a hydrogen atom in short and ultrashort laser pulses

Abstract

The ionization of a hydrogen atom in a linearly polarized low-frequency electromagnetic field is investigated by direct numerical integration of the time-dependent Schroedinger equation. The data obtained for various ionization regimes and various initial atomic states are compared with the Keldysh and Perelomov-Popov-Terent'ev (PPT) theories. The validity ranges for the quasi-static model of tunneling ionization and the PPT theory in laser intensity and frequency are determined. The tunneling ionization of the excited 2s and 2p states is discussed. The ionization of a hydrogen atom in an ultrashort (on the order of one optical period) pulse is investigated.

Authors:
; ; ;  [1]
  1. Moscow State University, Skobeltsyn Research Institute of Nuclear Physics (Russian Federation)
Publication Date:
OSTI Identifier:
21067764
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Experimental and Theoretical Physics; Journal Volume: 102; Journal Issue: 1; Other Information: DOI: 10.1134/S1063776106010055; Copyright (c) 2006 Nauka/Interperiodica; Article Copyright (c) 2006 Pleiades Publishing, Inc; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ELECTROMAGNETIC FIELDS; HYDROGEN; IONIZATION; LASERS; PULSES; SCHROEDINGER EQUATION; TIME DEPENDENCE; TUNNEL EFFECT

Citation Formats

Volkova, E. A., Gridchin, V. V., Popov, A. M., E-mail: apopov@mics.msu.su, and Tikhonova, O. V.. Tunneling ionization of a hydrogen atom in short and ultrashort laser pulses. United States: N. p., 2006. Web. doi:10.1134/S1063776106010055.
Volkova, E. A., Gridchin, V. V., Popov, A. M., E-mail: apopov@mics.msu.su, & Tikhonova, O. V.. Tunneling ionization of a hydrogen atom in short and ultrashort laser pulses. United States. doi:10.1134/S1063776106010055.
Volkova, E. A., Gridchin, V. V., Popov, A. M., E-mail: apopov@mics.msu.su, and Tikhonova, O. V.. Sun . "Tunneling ionization of a hydrogen atom in short and ultrashort laser pulses". United States. doi:10.1134/S1063776106010055.
@article{osti_21067764,
title = {Tunneling ionization of a hydrogen atom in short and ultrashort laser pulses},
author = {Volkova, E. A. and Gridchin, V. V. and Popov, A. M., E-mail: apopov@mics.msu.su and Tikhonova, O. V.},
abstractNote = {The ionization of a hydrogen atom in a linearly polarized low-frequency electromagnetic field is investigated by direct numerical integration of the time-dependent Schroedinger equation. The data obtained for various ionization regimes and various initial atomic states are compared with the Keldysh and Perelomov-Popov-Terent'ev (PPT) theories. The validity ranges for the quasi-static model of tunneling ionization and the PPT theory in laser intensity and frequency are determined. The tunneling ionization of the excited 2s and 2p states is discussed. The ionization of a hydrogen atom in an ultrashort (on the order of one optical period) pulse is investigated.},
doi = {10.1134/S1063776106010055},
journal = {Journal of Experimental and Theoretical Physics},
number = 1,
volume = 102,
place = {United States},
year = {Sun Jan 15 00:00:00 EST 2006},
month = {Sun Jan 15 00:00:00 EST 2006}
}