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Threshold peaks in the vibrational excitation of molecules by electron impact: a time-dependent view

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

Resonance and threshold effects in low-energy electronmolecule collisions are analyzed in a time-dependent picture. Time-dependent wave packets reflecting the non-Markovian open-system dynamics of electron-molecule collision complexes are explicitly generated for two representative models of pures-wave scattering and dipole-modifieds-wave scattering, respectively. The numerical results demonstrate the relevance of the adiabatic potential-energy curves of resonances, virtual states and bound states for a qualitative understanding of the dynamics and lucidly reveal the existence of nonadiabatic processes in such systems.

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Authors and Affiliations

  1. Institut für Physikalische und Theoretische Chemie, Technische Universität München, Lichtenbergstrasse 4, D-8046, Garching, Germany

    P. L. Gertitschke & W. Domcke

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  1. P. L. Gertitschke
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  2. W. Domcke
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Gertitschke, P.L., Domcke, W. Threshold peaks in the vibrational excitation of molecules by electron impact: a time-dependent view. Z Phys D - Atoms, Molecules and Clusters 16, 189–200 (1990). https://doi.org/10.1007/BF01437332

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  • DOI: https://doi.org/10.1007/BF01437332

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