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.
Optically induced effective mass renormalization: The case of graphite image potential states / Montagnese, Matteo; Pagliara, S.; Galimberti, G.; DAL CONTE, Stefano; Ferrini, G.; VAN LOOSDRECHT, PAUL HUBERTUS MARIA; Parmigiani, Fulvio. - In: SCIENTIFIC REPORTS. - ISSN 2045-2322. - 6:(2016), pp. 35318.1-35318.6. [10.1038/srep35318]
Optically induced effective mass renormalization: The case of graphite image potential states
MONTAGNESE, MATTEO;DAL CONTE, STEFANO;VAN LOOSDRECHT, PAUL HUBERTUS MARIA;PARMIGIANI, FULVIO
2016-01-01
Abstract
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.| File | Dimensione | Formato | |
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