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Plasmons in spin-orbit coupled two-dimensional hole gas systems

URN to cite this document:
urn:nbn:de:bvb:355-epub-278307
Scholz, Andreas ; Dollinger, Tobias ; Wenk, Paul ; Richter, Klaus ; Schliemann, John
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Date of publication of this fulltext: 07 Mar 2013 12:54


Abstract

We study the dynamical dielectric function of a two-dimensional hole gas, exemplified on [001] GaAs and InAs quantum wells, within the Luttinger model extended to the two lowest subbands including bulk and structure inversion asymmetric terms. The plasmon dispersion shows a pronounced anisotropy for GaAs- and InAs-based systems. In GaAs this leads to a suppression of plasmons due to Landau ...

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