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Electron-phonon interaction in the quantum well state of the 1 ML Na/Cu(111) system

AuthorsEremeev, S. V.; Rusina, G. G.; Borisova, S. D.; Tchulkov, Eugene V.
KeywordsQuantum wells
Electron-phonon interactions
Relaxation times
Mean free paths
Issue Date12-Mar-2008
CitationPhysics of the Solid State 50,2: 323-329 (2008).
AbstractThe electron-phonon interaction in the quantum well state formed by a Na monolayer coating on Cu(111) is investigated theoretically. The calculations show that the electron-phonon coupling constant λ in this state decreases insignificantly (≈1%) compared to the value of λ for a clean copper surface. The corresponding electron-phonon contribution to the lifetime τ of the quantum well state increases by a factor of 1.5 compared to τ for the clean Cu(111) surface.
Description7 pp.-- PACS nrs.: 73.21.Fg, 63.20.Kr, 72.15.Lh.
Publisher version (URL)http://dx.doi.org/10.1007/s11451-008-2018-8
Appears in Collections:(CFM) Artículos
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