Resonant and nonresonant effects in the multiphoton detachment of a one-dimensional model ion with a short-range potential

A. Sanpera, L. Roso-Franco

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Abstract

We study multiphoton detachment for a one-dimensional ion model with a Dirac δ-function potential, numerically solving the Schrödinger equation. We analyze the influence of a multiphoton resonance just at the ionization threshold. The intensity dependence of the cross section of the process is related to various ponderomotive thresholds. For low-intensity fields and short times non-energy-conserving terms are dominant. The validity of perturbation theory is tested also. © 1991 Optical Society of America.
Original languageEnglish
Pages (from-to)1568-1575
JournalJournal of the Optical Society of America B: Optical Physics
Volume8
Issue number8
DOIs
Publication statusPublished - 1 Jan 1991

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