All-electrical detection of the relative strength of Rashba and Dresselhaus spin-orbit interaction in quantum wires

Abstract

We propose a method to determine the relative strength of Rashba and Dresselhaus spin-orbit interaction from transport measurements without the need of fitting parameters. To this end, we make use of the conductance anisotropy in narrow quantum wires with respect to the directions of an in-plane magnetic field, the quantum wire and the crystal orientation. We support our proposal by numerical calculations of the conductance of quantum wires based on the Landauer formalism which show the applicability of the method to a wide range of parameters.

4 pages, 4 figures

References in corpus (4)

• An Exact SU(2) Symmetry and Persistent Spin Helix in a Spin-Orbit Coupled System
• Measurement of Rashba and Dresselhaus spin-orbit magnetic fields
• Rashba and Dresselhaus Spin-Splittings in Semiconductor Quantum Wells Measured by Spin Photocurrents
• Suppression of Spin Relaxation in Submicron InGaAs Wires

Cited by in corpus (7)

• Direct determination of spin orbit interaction coefficients and realization of the persistent spin helix symmetry
• Gate-controlled spin-orbit interaction in a parabolic GaAs/AlGaAs quantum well
• Low-energy theory and RKKY interaction for interacting quantum wires with Rashba spin-orbit coupling
• Tuning of the spin-orbit interaction in a quantum dot by an in-plane magnetic field
• Anisotropic universal conductance fluctuations in disordered quantum wires with Rashba and Dresselhaus spin-orbit interaction and applied in-plane magnetic field
• Dresselhaus spin-orbit coupling in [111]-oriented semiconductor nanowires
• Electron spin relaxation in n-type InAs quantum wires