Rashba spin precession in quantum Hall edge channels
arXiv:cond-mat/0409580 · doi:10.1103/PhysRevB.71.115306
Abstract
Quasi--one dimensional edge channels are formed at the boundary of a two-dimensional electron system subject to a strong perpendicular magnetic field. We consider the effect of Rashba spin--orbit coupling, induced by structural inversion asymmetry, on their electronic and transport properties. Both our analytical and numerical results show that spin--split quantum--Hall edge channels exhibit properties analogous to that of Rashba--split quantum wires. Suppressed backscattering and a long spin life time render these edge channels an ideal system for observing voltage--controlled spin precession. Based on the latter, we propose a magnet--less spin--dependent electron interferometer.
7 pages, 6 figures
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- Spectral Properties and Local Density of States of Disordered Quantum Hall Systems with Rashba Spin-Orbit Coupling
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- Analytical and Numerical study of the out-of-equilibrium current through a helical edge coupled to a magnetic impurity
- Signatures of Rashba Spin-Orbit Interaction in Charge and Spin Properties of Quantum Hall Systems
- Spin transition rates in nanowire superlattices: Rashba spin-orbit coupling effects
- Spin precession in a fractional quantum Hall state with spin-orbit coupling
- Impact of Channel Mixing on the Visibility of Two-particle Interferometry in Quantum Hall Edge States