Low-symmetry nanowire cross-sections for enhanced Dresselhaus spin-orbit interaction

  title={Low-symmetry nanowire cross-sections for enhanced Dresselhaus spin-orbit interaction},
  author={M. J. Saavedra Carballido and Christoph Kloeffel and Dominik M. Zumb{\"u}hl and Daniel Loss},
  journal={Physical Review B},
We study theoretically the spin-orbit interaction of low-energy electrons in semiconducting nanowires with a zinc-blende lattice. The effective Dresselhaus term is derived for various growth directions, including -oriented nanowires. While a specific configuration exists where the Dresselhaus spin-orbit coupling is suppressed even at confinement potentials of low symmetry, many configurations allow for a strong Dresselhaus coupling. In particular, we discuss qualitative and quantitative results… 
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