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Proceedings Paper

Impact of higher-order coherences on the carrier dynamics in Landau-quantized graphene
Author(s): Florian Wendler; Ermin Malic
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Paper Abstract

We investigate the carrier dynamics in Landau-quantized graphene within the density matrix formalism. In particular, we focus on the carrier-light interaction addressing the impact of higher-order polarizations beyond the optical selection rules. We find that these terms are in general negligible, however, there are regimes, where they even become crucial for the carrier dynamics. Our calculations show that for short excitation pulses, very small Landau level broadenings, and certain configurations of magnetic field strength, Fermi energy, and excitation energy, higher-order polarizations need to be taken into account.

Paper Details

Date Published: 31 August 2015
PDF: 8 pages
Proc. SPIE 9585, Terahertz Emitters, Receivers, and Applications VI, 95850D (31 August 2015); doi: 10.1117/12.2186880
Show Author Affiliations
Florian Wendler, Chalmers Univ. of Technology (Sweden)
Ermin Malic, Chalmers Univ. of Technology (Sweden)


Published in SPIE Proceedings Vol. 9585:
Terahertz Emitters, Receivers, and Applications VI
Manijeh Razeghi; Alexei N. Baranov; John M. Zavada; Dimitris Pavlidis, Editor(s)

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