Laser-induced autoionizing and continuum structures: Line-shape study in the presence of continuum-continuum transitions

Year: 1995

Authors: Cavalieri S., Eramo R., Buffa R., Matera M.

Autors Affiliation: Dipartimento di Fisica, European Laboratory for Nonlinear Spectroscopy, Università di Firenze, Largo Enrico Fermi 2, I-50125 Firenze, Italy; Istituto di Elettronica Quantistica, Consiglio Nazionale delle Ricerche, Via Panciatichi 56/30, I-50127 Firenze, Italy

Abstract: We present a theoretical study of laser-induced autoionization and laser-induced continuum structures, performed with the aim of deriving predictions on the effect of continuum-continuum transitions on the resonance line shape. The model, developed as an extension of models introduced for the description of laser-induced autoionization and laser-induced continuum structures, on one hand, and for above-threshold ionization, on the other hand, provides quantitative predictions. For specific atomic systems, the line shapes of the structures are shown not to be affected by continuum-continuum transitions, in contrast with previously reported results.


Volume: 51 (4)      Pages from: 2974  to: 2981

KeyWords: Above-threshold ionization; Multiphoton ionization; Sodium; Generation; Resonance; Spectrum; States; Atoms; Photoionization; Interference
DOI: 10.1103/PhysRevA.51.2974

Citations: 15
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