Modifications of high harmonic spectra by ion resonant transitions

Emilio Fiordilino, Birulin, Fiordilino, Platonenko, Ferrante, Gaetano Ferrante

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Abstract

High-order harmonic generation is considered in a system consisting of an ion with an internal degree of freedom plus an outer electron. The theoretical treatment is both quantum-mechanical and classical. The emphasis is on the core resonance effects, which can significantly modify the harmonic spectra, with appearance of anomalous peaks. Under some assumptions, the spectral amplitude of the resonant harmonic of the system dipole moment can be obtained by evaluation of such amplitude within a single-electron approximation and multiplication of the result by a correcting factor. The latter depends on the polarizability of the ion and of a free electron at the harmonic frequency. Copyright © 1996 by MAHK Hayka/Interperiodica Publishing.
Lingua originaleEnglish
pagine (da-a)1152-1157
Numero di pagine6
RivistaLaser Physics
Volume6
Stato di pubblicazionePublished - 1996

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All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Condensed Matter Physics
  • Industrial and Manufacturing Engineering

Cita questo

Fiordilino, E., Birulin, Fiordilino, Platonenko, Ferrante, & Ferrante, G. (1996). Modifications of high harmonic spectra by ion resonant transitions. Laser Physics, 6, 1152-1157.