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Carrier Dynamics in...
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Malic, Ermin,1980Chalmers tekniska högskola,Chalmers University of Technology
(author)
Carrier Dynamics in Graphene: Ultrafast Many-Particle Phenomena
- Article/chapterEnglish2017
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LIBRIS-ID:oai:research.chalmers.se:0d254d69-e419-43e2-9bf0-e4c8d0b0577b
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https://doi.org/10.1002/andp.201700038DOI
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https://research.chalmers.se/publication/253412URI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Graphene is an ideal material to study fundamental Coulomb- and phonon-induced carrier scattering processes. Its remarkable gapless and linear band structure opens up new carrier relaxation channels. In particular, Auger scattering bridging the valence and the conduction band changes the number of charge carriers and gives rise to a significant carrier multiplication - an ultrafast many-particle phenomenon that is promising for the design of highly efficient photodetectors. Furthermore, the vanishing density of states at the Dirac point combined with ultrafast phonon-induced intraband scattering results in an accumulation of carriers and a population inversion suggesting the design of graphene-based terahertz lasers. Here, we review our work on the ultrafast carrier dynamics in graphene and Landau-quantized graphene is presented providing a microscopic view on the appearance of carrier multiplication and population inversion.
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Winzer, T.
(author)
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Wendler, Florian,1982
(author)
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Brem, Samuel,1991Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)brem
(author)
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Jago, Roland,1990Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)jago
(author)
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Knorr, A.
(author)
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Mittendorff, M.
(author)
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Konig-Otto, J. C.
(author)
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Plotzing, T.
(author)
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Neumaier, D.
(author)
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Schneider, H.
(author)
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Helm, M.
(author)
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Winnerl, S.
(author)
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Chalmers tekniska högskola
(creator_code:org_t)
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In:Annalen der Physik: Wiley529:110003-38041521-3889
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Malic, Ermin, 19 ...
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Winzer, T.
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Wendler, Florian ...
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Brem, Samuel, 19 ...
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Jago, Roland, 19 ...
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Knorr, A.
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Mittendorff, M.
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Konig-Otto, J. C ...
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Plotzing, T.
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Neumaier, D.
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Schneider, H.
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Helm, M.
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Winnerl, S.
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- NATURAL SCIENCES
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NATURAL SCIENCES
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Chalmers University of Technology