- 作者: Mireille Aymar, J. M. Lecomte, E. Luc-Koenig and M. Millet
- 中文摘要:
Laboratoire Aime Cotton, CNRS II, Bat. 505, 91405 Orsay Cedex, France
In this paper we will show how the approach combining the eigenchannel R-matrix method to the techniques of multichannel quantum-defect theory (MQDT) is a very powerful method to obtain realistic descriptions of complex spectra of alkaline-earth atoms in the energy domain and to study the dynamics of various processes in these spectra. Several illustrations will be presented. Those on structure will concern photoionization spectra of barium and strontium at high energy and two-photon ionization processes in magnesium and strontium. Then, recent results on the dynamics of coherent ionization processes will be presented. - 英文摘要: --
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