Note on the Theory of Elastic Low-Energy-Electron Diffraction from a Vibrating Lattice
- 15 April 1972
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 5 (8) , 3358-3362
- https://doi.org/10.1103/physrevb.5.3358
Abstract
The multiple-scattering series for the elastic electron-solid differential cross section is reduced to a set of coupled equations for layer scattering amplitudes by first performing the partial-wave decomposition of this series and subsequently defining the layer amplitudes as subsums of the complete series. The resulting equations are identical to those derived by Laramore and Duke in a recent paper. However, Laramore and Duke's derivation, in which the subsums of the multiple-scattering series were performed prior to the partial-wave decomposition, contains an ambiguity in the latter step which is avoided by our analysis.Keywords
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