Lifetimes of electrons in the Shockley surface state band of Ag(111) |
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| Authors: | M. Becker S. Crampin R. Berndt |
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| Affiliation: | 1.Institut für Experimentelle und Angewandte Physik,Christian-Albrechts-Universit?t zu Kiel,Kiel,Germany;2.Department of Physics,University of Bath,Bath,UK |
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| Abstract: | We present a theoretical many-body analysis of the electron–electron (e–e) inelastic damping rate Γ of electron-like excitations in the Shockley surface state band of Ag(111). It takes into account ab initio band structures for both bulk and surface states. Γ is found to increase more rapidly as a function of surface state energy E than previously reported, thus leading to an improved agreement with experimental data. PACS 73.20.At; 68.37.Ef; 72.15.Lh |
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