Spin Hall effect in a two-dimensional electron gas in the presence of a magnetic field

Abstract

We study the spin Hall effect of a two-dimensional electron gas in the presence of a magnetic field and both the Rashba and Dresselhaus spin-orbit interactions. We show that the value of the spin Hall conductivity, which is finite only if the Zeeman spin splitting is taken into account, may be tuned by varying the ratio of the in-plane and out-of-plane components of the applied magnetic field. We identify the origin of this behavior with the different role played by the interplay of spin-orbit and Zeeman couplings for in-plane and out-of-plane magnetic field components.

5 pages, 5 figures, submitted

References in corpus (9)

• Spin current and polarization in impure 2D electron systems with spin-orbit coupling
• On A Proper Definition of Spin Current
• Spin-Hall effect in a disordered 2D electron-system
• Spin Hall effect and Berry phase in two dimensional electron gas
• Resonant Spin Hall Conductance in Two-Dimensional Electron Systems with Rashba Interaction in a Perpendicular Magnetic Field
• Out-of-plane spin polarization from in-plane electric and magnetic fields
• Resonant spin Hall conductance in quantum Hall systems lacking bulk and structural inversion symmetry
• Exact Landau Levels in Two-Dimensional Electron Systems with Rashba and Dresselhaus Spin-Orbit Interactions in a Perpendicular Magnetic Field
• Magneto-spin Hall conductivity of a two-dimensional electron gas

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• Disorder effect of resonant spin Hall effect in a tilted magnetic field
• Frequency- and transverse wave-vector-dependent spin Hall conductivity in two-dimensional electron gas with disorder
• Unconventional gate voltage dependence of the charge conductance caused by spin-splitting Fermi surface by Rashba-type spin-orbit coupling
• Local spin polarisation of electrons in Rashba semiconductor nanowires: effects of the bound state
• Resonant spin Hall and Nernst effect in a nanoribbon of a spin-orbit coupled electronic system
• Analytically solvable model to the spin Hall effect with Rashba and Dresselhaus spin-orbit couplings