Abstract
A short review is given of recent theoretical developments in (e,2e) and (γ,2e) spectroscopy from surfaces in reflection geometry. We first outline a general formal framework and currently viable approximations. Subsequently, a selection of numerical results demonstrates the quantitative agreement with experimental data, the extreme surface sensitivity of (e,2e), the imaging of a surface state dispersion, the influence of the Coulomb pair correlation between the two detected electrons, and the usefulness of spin-polarized primary electrons for the study of spin-dependent collision dynamics and of magnetic surface properties.
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Feder, R., Gollisch, H., Scheunemann, T., Berakdar, J., Henk, J. (2001). Theory of Electron- and Photon-Induced Two-Electron Emission from Surfaces. In: Berakdar, J., Kirschner, J. (eds) Many-Particle Spectroscopy of Atoms, Molecules, Clusters, and Surfaces. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-1311-7_35
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DOI: https://doi.org/10.1007/978-1-4615-1311-7_35
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