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.
Seibold, G., Caprara, S., Grilli, M., Raimondi, R. (2016). Non-equilibrium Spin Currents in Systems with Striped Rashba Spin-Orbit Coupling. JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, 1-6 [10.1007/s10948-016-3774-x].
Non-equilibrium Spin Currents in Systems with Striped Rashba Spin-Orbit Coupling
RAIMONDI, Roberto
2016-01-01
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.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.