Strong Dynamical Effects of Many-Electron Interactions in Photoelectron Spectra from 4s and 4p Core Levels
- 1 October 1976
- journal article
- Published by IOP Publishing in Physica Scripta
- Vol. 14 (4), 148-161
- https://doi.org/10.1088/0031-8949/14/4/005
Abstract
Dipolar fluctuations of 4s and 4p holes in the elements around Xe have been found to make a one-electron type of picture break down. This explains the failure of monopole relaxation, as included e.g. through the relativistic Hartree-Fock ΔSCF procedure, and shake off processes to describe ESCA spectra in this energy region. In Xe we find that neither a 4p 1/2 nor a 4p 3/2 hole can exist as an elementary excitation (quasi-stationary state) but become smeared over a large energy range. Instead, the most stable and probable state is found to belong to the Xe+(4d 84f)3/2 configuration and we identify this with the main ESCA peak at 145.5 eV. We also present a photo-electron spectrum for the 4s and "4p" region in quite good agreement with experiment.Keywords
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