Abstract

With the help of sp <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> d <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">5</sup> s* tight-binding model, we calculate the spin orbit splitting in the whole Brillouin zone deriving from InSb Γ-valley of the lowest electronic subband, heavy hole, light hole and split-off hole. The cases of L and X-valleys with higher energy for the lowest electronic subband are also discussed. We further present the electron spin orbit coupling parameter at the corresponding valley bottom. Our results should be useful for the on-going study on spin dynamics in InSb.

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