Inelastic light-scattering from spin-density excitations in the regime of the persistent spin helix in a GaAs-AlGaAs quantum well

URN to cite this document:: urn:nbn:de:bvb:355-epub-322003
DOI to cite this document:: 10.5283/epub.32200

Schoenhuber, Christoph ; Walser, M. P. ; Salis, Gian ; Reichl, C. ; Wegscheider, Werner ; Korn, Tobias ; Schueller, Christian

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Date of publication of this fulltext: 20 Jul 2015 12:45

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Abstract

We have investigated the intrasubband spin-density excitation (SDE) in an asymmetrically doped GaAs-AlGaAs single quantum well with balanced Rashba and Dresselhaus spin-orbit interaction strengths by inelastic light scattering. For this unique symmetry, the combined spin-orbit field is either parallel or antiparallel to the [11¯0] in-plane direction of the quantum well for all wave vectors of the ...