Abstract
The magnetic susceptibility and transport quantities are calculated in a three-dimensional system with a giant Rashba spin–orbit interaction for scatterers with short-range potential in a self-consistent Born approximation. The susceptibility exhibits a sharp peak toward the diamagnetic direction at the band crossing, being broadened depending on disorder. No special feature appears in the diagonal conductivity in both in-plane and vertical directions. The orbital Hall conductivity due to cyclotron motion is considerably reduced from −(nec)−1 in the low-energy region and exhibits a small step-like jump at the band crossing, becoming almost the same as −(nec)−1, where n is the carrier concentration. The Hall conductivity due to the spin-Zeeman energy has a sharp peak at the band crossing, but is significantly reduced due to inter-band scattering.
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