Journal article
A complete numerical approach to electron–hydrogen collisions
Journal of Physics B: Atomic, Molecular and Optical Physics, Vol.39(22), pp.R379-R424
2006
Abstract
This tutorial presents an extensive computational study of electron-impact scattering and ionization of atomic hydrogen and hydrogenic ions, through the solution of the non-relativistic Schrödinger equation in coordinate space using propagating exterior complex scaling (PECS). It details the complete numerical and computational development of the PECS method, which enables highly computationally-efficient solution of these collision systems. Benchmark results are presented for a complete range of electron-hydrogen collisions, including discrete elastic and inelastic scattering both below and above the ionization threshold energy, very low-energy ionizing collisions through to moderately high-energy ionizing collisions, ground-state and excited-state targets and charged hydrogenic targets with Z ≤ 4. Total ionization cross sections through to fully differential cross sections, both in-plane and out-of-plane, are given and are found to be in excellent accord with other state-of-the-art methods and measurements, where available. We also review our recent confirmation (Bartlett and Stelbovics 2004 Phys. Rev. Lett. 93 233201) of the Wannier and related threshold laws for e-H collisions.
Details
- Title
- A complete numerical approach to electron–hydrogen collisions
- Authors/Creators
- P.L. Bartlett (Author/Creator) - Murdoch University
- Publication Details
- Journal of Physics B: Atomic, Molecular and Optical Physics, Vol.39(22), pp.R379-R424
- Publisher
- Institute of Physics
- Identifiers
- 991005543813807891
- Copyright
- © 2006 IOP Publishing Ltd.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 2 Chemistry
- 2.15 Physical Chemistry
- 2.15.664 Dissociative Electron Attachment
- Web Of Science research areas
- Optics
- Physics, Atomic, Molecular & Chemical
- ESI research areas
- Physics