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Electron correlation effects in scattering of atom on the atom adsorbed on the metal surface

Authors
Journal
Vacuum
0042-207X
Publisher
Elsevier
Publication Date
Volume
74
Issue
2
Identifiers
DOI: 10.1016/j.vacuum.2003.12.148
Keywords
  • Atom-Solid Interaction
  • Resonant Charge Transfer
  • Anderson–Newns Model

Abstract

Abstract The role of Coulomb correlations on the resonant charge transfer in atom scattering on an atom adsorbed on a metal surface has been studied theoretically within the Hartree–Fock approximation and the time-dependent Anderson–Newns model. Using the evolution operator technique the probabilities of the different charge states of the back-scattered atoms were calculated for broad range of parameters. In particular, the effect of the constant or z-dependent ( z being the distance of the moving atom from the surface) effective intra-atomic Coulomb correlations was analysed.

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