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Control of spin helix symmetry in semiconductor quantum wells by crystal orientation

URN to cite this document:
urn:nbn:de:bvb:355-epub-348859
DOI to cite this document:
10.5283/epub.34885
Kammermeier, Michael ; Wenk, Paul ; Schliemann, John
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Date of publication of this fulltext: 24 Nov 2016 13:02


Abstract

We investigate the possibility of spin-preserving symmetries due to the interplay of Rashba and Dresselhaus spin-orbit coupling in n-doped zinc-blende semiconductor quantum wells of general crystal orientation. It is shown that a conserved spin operator can be realized if and only if at least two growth-direction Miller indices agree in modulus. The according spin-orbit field has in general both ...

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