Fominykh, N. and Berakdar, J.
In: Many Particle Spectroscopy of Atoms, Molecules, Clusters, and Surfaces pp 481-491 (Eds.) Berakdar, J. and Kirschner, J., Kluwer Academic/Plenum Publishers, New York, USA 2001The aim of this work is to highlight the role of confinement and electron-electron interaction in the double photemission spectra. We probe simple models, bridging the 'atomic' case of the process with its 'surface' counterpart via the prototypes of a quantum dot and a thin film. The manifestation of two aspects - localization of the electronic states in confined systems and the role of screening in extended systems - is illustrated in the DPE angular distributions.
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