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Conserved spin quantity in strained hole systems with Rashba and Dresselhaus spin-orbit coupling

URN to cite this document:
urn:nbn:de:bvb:355-epub-348843
DOI to cite this document:
10.5283/epub.34884
Wenk, Paul ; Kammermeier, Michael ; Schliemann, John
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Date of publication of this fulltext: 24 Nov 2016 13:07


Abstract

We derive an effective Hamiltonian for a (001)-confined quasi-two-dimensional hole gas in a strained zinc-blende semiconductor heterostructure including both Rashba and Dresselhaus spin-orbit coupling. In the presence of uniaxial strain along the < 110 > axes, we find a conserved spin quantity in the vicinity of the Fermi contours in the lowest valence subband. In contrast to previous works, this ...

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