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Treatment of Continuum-Continuum Coupling in the Theoretical Study of Above-Threshold Ionization

  • Liwen Pan
Part of the NATO ASI Series book series (NSSB, volume 212)

Abstract

Above-threshold ionization (ATI) is a phenomenon observed in multiphoton ionization experiments in intense laser fields. This process is characterized by a large number of evenly spaced peaks in the photoelectron energy spectrum. These peaks correspond to the absorption of n o+s photons by an atom which requires only n o photons to ionize. This is a special feature of ATI distinct from other multiphoton ionization processes, i.e., there are a significant number of radiative transitions between continuum states of the atom.

Keywords

Multiphoton Ionization Intense Laser Field Zeroth Order Solution Coupling Matrix Element Coulomb Wave Function 
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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • Liwen Pan
    • 1
    • 2
  1. 1.Institute for Physical Science and TechnologyUniversity of MarylandCollege ParkUSA
  2. 2.National Institute of Standards and TechnologyCenter for Atomic, Molecular and Optical PhysicsGaithersburgUSA

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