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Variational Methods in Electron-Atom Scattering Theory

  • Book
  • © 1980

Overview

Authors:
  1. Robert K. Nesbet

    1. IBM Research Laboratory, San Jose, USA

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Part of the book series: Physics of Atoms and Molecules (PAMO)

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Table of contents (6 chapters)

  1. Front Matter

    Pages i-x
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  2. Quantum Mechanics of Electron — Atom Scattering

    • Robert K. Nesbet
    Pages 1-24

  3. Variational Theory

    • Robert K. Nesbet
    Pages 25-78

  4. Resonances and Threshold Effects

    • Robert K. Nesbet
    Pages 79-117

  5. Computational Technique

    • Robert K. Nesbet
    Pages 119-144

  6. Applications to One-Electron Atoms

    • Robert K. Nesbet
    Pages 145-167

  7. Applications to Other Atoms

    • Robert K. Nesbet
    Pages 169-215

  8. Back Matter

    Pages 217-228
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Keywords

About this book

The investigation of scattering phenomena is a major theme of modern physics. A scattered particle provides a dynamical probe of the target system. The practical problem of interest here is the scattering of a low­ energy electron by an N-electron atom. It has been difficult in this area of study to achieve theoretical results that are even qualitatively correct, yet quantitative accuracy is often needed as an adjunct to experiment. The present book describes a quantitative theoretical method, or class of methods, that has been applied effectively to this problem. Quantum mechanical theory relevant to the scattering of an electron by an N-electron atom, which may gain or lose energy in the process, is summarized in Chapter 1. The variational theory itself is presented in Chapter 2, both as currently used and in forms that may facilitate future applications. The theory of multichannel resonance and threshold effects, which provide a rich structure to observed electron-atom scattering data, is presented in Chapter 3. Practical details of the computational implementation of the variational theory are given in Chapter 4. Chapters 5 and 6 summarize recent appli­ cations of the variational theory to problems of experimental interest, with many examples of the successful interpretation of complex structural fea­ tures observed in scattering experiments, and of the quantitative prediction of details of electron-atom scattering phenomena.

Authors and Affiliations

  • IBM Research Laboratory, San Jose, USA

    Robert K. Nesbet

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