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Dependence of the Dresselhaus spin-orbit interaction on the quantum well width

URN to cite this document:
urn:nbn:de:bvb:355-epub-264967
DOI to cite this document:
10.5283/epub.26496
Walser, M. P. ; Siegenthaler, U. ; Lechner, V. ; Schuh, Dieter ; Ganichev, Sergey ; Wegscheider, Werner ; Salis, G.
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Date of publication of this fulltext: 20 Mar 2013 11:01



Abstract

We measured the Dresselhaus spin-orbit interaction coefficient beta(1) for (001)-grown GaAs/Al0.3Ga0.7As quantum wells for six different well widths omega between 6 and 30 nm. The varying size quantization of the electron wave vector z-component < k(z)(2)> (pi/w)(2) influences beta(1) = -gamma < k(z)(2)> linearly. The value of the bulk Dresselhaus coefficient gamma = (-11 +/- 2) eV angstrom(3) ...

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