Spin transport in a two-dimensional tight-binding system with Rashba and Dresselhaus spin-orbit interactions in the presence of static random disorder

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dc.contributor.author Kumar Sharma, Hemant
dc.contributor.author Sil, Shreekantha
dc.contributor.author Chatterjee, Ashok
dc.date.accessioned 2022-03-27T11:39:26Z
dc.date.available 2022-03-27T11:39:26Z
dc.date.issued 2021-07-01
dc.description.abstract The longitudinal charge and spin conductivities for a two-dimensional system with random static disorder are investigated in the presence of Rashba and Dresselhaus spin-orbit interactions. The Matsubara Green function technique is used to determine the relaxation time for the impurity scattering and the charge and spin conductivities are obtained by employing the Kubo formalism. It is shown that the spin and charge conductivities are enhanced by the Rashba and Dresselhaus spin-orbit interactions while they are reduced by the presence of impurities. Finally, the effects of Rashba and Dresselhaus interactions on the ratio of longitudinal spin conductivity to charge conductivity are studied.
dc.identifier.citation Journal of Magnetism and Magnetic Materials. v.529
dc.identifier.issn 03048853
dc.identifier.uri 10.1016/j.jmmm.2020.167711
dc.identifier.uri https://www.sciencedirect.com/science/article/abs/pii/S0304885320326780
dc.identifier.uri https://dspace.uohyd.ac.in/handle/1/14387
dc.subject Kubo formalism
dc.subject Random disorder
dc.subject Rashba and Dresselhaus interactions
dc.subject Spin transport
dc.subject Two-dimensional system
dc.title Spin transport in a two-dimensional tight-binding system with Rashba and Dresselhaus spin-orbit interactions in the presence of static random disorder
dc.type Journal. Article
dspace.entity.type
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