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  • Title: Spin-Hall conductivity and Hall angle in a two-dimensional system with impurities in the presence of spin-orbit interactions.
    Author: Sharma HK, Sil S, Chatterjee A.
    Journal: Sci Rep; 2022 Aug 20; 12(1):14201. PubMed ID: 35987762.
    Abstract:
    We investigate the spin-torque-dependent Spin Hall phenomenon in a two-dimensional tight-binding system in the presence of Rashba and Dresselhaus spin-orbit interactions and random static impurities. We employ the Matsubara Green function techniques to calculate the relaxation time caused by the scattering of electrons by impurities. The longitudinal and transverse conductivities are next calculated with the help of the Kubo formalism. We have also calculated the spin Hall angle for the present model and studied its dependence on spin-orbit interactions and impurity strength. Finally, we explore the effect of interplay between the Rashba and Dresselhaus interactions on the spin-Hall effect.
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