Time-dependent approach to electron scattering and ionization in the s-wave model

W. Ihra, M. Draeger, G. Handke, H. Friedrich

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The time-dependent Schrödinger equation is integrated for continuum states of two-electron atoms in the framework of the s-wave model, in which both electrons are restricted to having vanishing individual orbital angular momenta. The method is suitable for studying the time evolution of correlations in the two-electron wave functions and yields probabilities for elastic and inelastic electron scattering and for electron-impact ionization. The spin-averaged probabilities for electron-impact ionization of hydrogen in the s-wave model reproduce the shape of the experimentally observed integrated ionization cross section remarkably well for energies near and above the maximum.

Original languageEnglish
Pages (from-to)3752-3762
Number of pages11
JournalPhysical Review A
Issue number5
StatePublished - 1995


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