Confinement and high-order harmonic generation by a repulsive potential

Pietro Paolo Corso, Emilio Fiordilino, Emilio Fiordilino, Franco Persico, Pietro Paolo Corso

Risultato della ricerca: Article

5 Citazioni (Scopus)

Abstract

The dynamics of an electron wave packet in the presence of laser radiation and of a one-dimensionalrepulsive soft-core potential is investigated. For different laser intensities and for different initial positions ofthe electron wave packet, these results are compared with those for an attractive potential. The repulsivepotential is capable of confining the electron quite efficiently under appropriate conditions. In these conditions,the electron is shown to emit a high harmonic spectrum similar to that emitted by the more conventionalattractive potential. It is thus argued that recombination into an atomic bound state as required by the three stepmodel is not essential for the emission of high harmonics.
Lingua originaleEnglish
pagine (da-a)063402-1-063402-8
Numero di pagine8
RivistaPHYSICAL REVIEW A
Volume67
Stato di pubblicazionePublished - 2003

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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    Corso, P. P., Fiordilino, E., Fiordilino, E., Persico, F., & Corso, P. P. (2003). Confinement and high-order harmonic generation by a repulsive potential. PHYSICAL REVIEW A, 67, 063402-1-063402-8.