Optically induced effective mass renormalization: the case of graphite image potential states

Many-body interactions with the underlying bulk electrons determine the properties of confined electronic states at the surface of a metal. Using momentum resolved nonlinear photoelectron spectroscopy we show that one can tailor these many-body interactions in graphite, leading to a strong renormali...

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Published inScientific reports Vol. 6; no. 1; p. 35318
Main Authors Montagnese, M., Pagliara, S., Galimberti, G., Dal Conte, S., Ferrini, G., van Loosdrecht, P. H. M., Parmigiani, F.
Format Journal Article
LanguageEnglish
Published London Nature Publishing Group UK 14.10.2016
Nature Publishing Group
Subjects
140/146
639/301/119/544
639/766/119/995
Electrons
Graphite
Humanities and Social Sciences
multidisciplinary
Photoelectron spectroscopy
Science
Spectroscopy
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Summary:Many-body interactions with the underlying bulk electrons determine the properties of confined electronic states at the surface of a metal. Using momentum resolved nonlinear photoelectron spectroscopy we show that one can tailor these many-body interactions in graphite, leading to a strong renormalization of the dispersion and linewidth of the image potential state. These observations are interpreted in terms of a basic self-energy model, and may be considered as exemplary for optically induced many-body interactions.
Bibliography:ObjectType-Article-1
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Present address: Dipartimento di Fisica, Politecnico di Milano, Piazza L. da Vinci 32, Milano I-20133 Italy.
Present address: II. Physikalishes Institut der Universität zu Köln, Zülpicher Str. 77, Köln D-50937, Germany.
ISSN:2045-2322
2045-2322
DOI:10.1038/srep35318