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          Institute: Fritz-Haber-Institut     Collection: Theory     Display Documents



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ID: 362326.0, Fritz-Haber-Institut / Theory
Theory of electron-phonon interactions on nanoscales:
semiconductor surfaces and two dimensional electron gases
Authors:Buecking, Norbert; Butscher, S.; Richter, M.; Weber, C.; Declair, S.; Woerner, M.; Reimann, K.; Kratzer, Peter; Scheffler, Matthias; Knorr, Andreas
Language:English
Date of Publication (YYYY-MM-DD):2008
Title of Journal:Proceedings of SPIE
Journal Abbrev.:Proc. of SPIE
Volume:6892
Start Page:689209-1
End Page:689209-13
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:A theory of electron relaxation for electron gases in semiconductor quantum well structures and at semiconductor surfaces is presented. The electron relaxation is described by quantum-kinetic equations. In the nonlinear optical response of a two dimensional electron gas in a GaN quantum well, polaronic signatures are clearly enhanced compared to the linear response, if the pump pulse is tuned to the polaron energy. For the phonon-induced electron relaxation at Si (001) surface structures, the interplay of bulk and surface states yields a complex temporal relaxation dynamics depending on the slab thickness.
External Publication Status:published
Document Type:Article
Communicated by:Matthias Scheffler
Affiliations:Fritz-Haber-Institut/Theory
External Affiliations:Institut für Theoretische Physik, Nichtlineare Optik und Quantenelektronik, Technische Universität Berlin, Hardenbergstr. 36, 10623 Berlin, Germany

Mathematical Physics, Lund University, Box 118, 22100 Lund, Sweden

Max Born Institut für Nichtlineare Optik und Kurzzeitspektroskopie, Max-Born-Straße 2A, 12489 Berlin, Germany

Theoretische Physik, Universität Duisburg-Essen, Lotharstr. 1, 47048 Duisburg, Germany
Identifiers:URL:http://www.fhi-berlin.mpg.de/th/th.html [For a reprint, please contact THsecretary@fhi-berlin.mpg.de]
URL:http://spiedigitallibrary.aip.org/getpdf/servlet/G... [only for subscriber]
DOI:10.1117/12.768659
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