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The European Physical Journal D

Ionization of barium through a coherent excitation of two bound intermediate states

Eliane Luc-Koenig, M Aymar, M. Millet, J. M. Lecomte, A. Lyras

Published Jan 1, 2000• 8 citations
Publisher
DOI
10.1007/s100530050542

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A quantitative analysis of part of the experimental data reported by Wang, Chen and Elliott [1,3] who studied in barium coherent control through two-color resonant interfering paths is reported. Dynamics of the two-color photoionization process, described as an adiabatic process in the rotating wave approximation, is governed by the coherent excitation of the 6s6p and 6s7p 1P1 intermediate states. Interference effects are found to play a minor role. The required atomic parameters are obtained from a theoretical approach based on a combination of jj-coupled eigenchannel R-matrix and Multichannel Quantum Defect Theory.