Hole spin dynamics and hole g factor anisotropy in coupled quantum well systems

URN to cite this document:: urn:nbn:de:bvb:355-epub-321998
DOI to cite this document:: 10.5283/epub.32199

Gradl, Christian ; Kempf, Michael ; Schuh, Dieter ; Bougeard, Dominique ; Winkler, R. ; Schueller, Christian ; Korn, Tobias

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Date of publication of this fulltext: 20 Jul 2015 12:37

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Abstract

Due to its p-like character, the valence band in GaAs-based heterostructures offers rich and complex spin-dependent phenomena. One manifestation is the large anisotropy of Zeeman spin splitting. Using undoped, coupled quantum wells (QWs), we examine this anisotropy by comparing the hole-spin dynamics for high- and low-symmetry crystallographic orientations of the QWs. We directly measure the hole ...