It is shown that non-homogeneity in the spin-orbit coupling (SOC) arising from structure inversion asymmetry gives rise to a finite intrinsic spin Hall conductivity in contrast with the corresponding case of a homogeneous SOC in the disordered two-dimensional electron gas. In particular, we examine the inhomogeneity arising from a striped modulation of the Rashba type spin-orbit coupling. A corresponding structure could be realized at oxide interfaces with periodic top gating or in semiconductor heterostructures.
Non-equilibrium Spin Currents in Systems with Striped Rashba Spin-Orbit Coupling / Seibold, G; Caprara, Sergio; Grilli, Marco; Raimondi, R.. - In: JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM. - ISSN 1557-1939. - STAMPA. - 30:1(2017), pp. 123-128. [10.1007/s10948-016-3774-x]
Non-equilibrium Spin Currents in Systems with Striped Rashba Spin-Orbit Coupling
CAPRARA, SERGIO;GRILLI, Marco;
2017
Abstract
It is shown that non-homogeneity in the spin-orbit coupling (SOC) arising from structure inversion asymmetry gives rise to a finite intrinsic spin Hall conductivity in contrast with the corresponding case of a homogeneous SOC in the disordered two-dimensional electron gas. In particular, we examine the inhomogeneity arising from a striped modulation of the Rashba type spin-orbit coupling. A corresponding structure could be realized at oxide interfaces with periodic top gating or in semiconductor heterostructures.File | Dimensione | Formato | |
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Seibold_Non-equilibrium_2016.pdf
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