Abstract
Electron spectroscopies and their rich phenomenology convey information on molecules and solids and specifically on their excitations. To describe excited states we shall develop techniques based on modeling the spectra in terms of Green’s functions and also more general expectation values. ESCA is a set of spectroscopies, UPS (Ultraviolet Photoemission Spectroscopy), XPS (X-Ray Photoemission Spectroscopy)and AES (Auger Electron Spectroscopy). They can be angular resolved (ARUPS and the like) and time resolved; APECS (Auger Photoelectron Coincidence Spectroscopy) detects the photoelectron and the Auger electron most probably coming from the same atom. ESCA can make a chemical analysis with tiny samples and is able to discriminate the oxidation states and give information about the electronic structure.
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© 2007 Springer-Verlag Berlin Heidelberg
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(2007). Many-body Effects in Electron Spectroscopies. In: Topics and Methods in Condensed Matter Theory. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-70727-1_6
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DOI: https://doi.org/10.1007/978-3-540-70727-1_6
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-70726-4
Online ISBN: 978-3-540-70727-1
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