Interplay of h/e and h/2e Oscillations in Gate-Controlled Aharonov-Bohm Rings
arXiv:cond-mat/0407718 · doi:10.1103/PhysRevB.71.113311
Abstract
The spin-interference that is caused by the Rashba spin-orbit interaction in a gate-controlled Aharonov-Bohm ring is studied by the analysis of the conductance oscillations as a function of both the gate voltage and magnetic field. The scattering matrix approach is used to reveal the effect of the quantum scatterers connected to two one-dimensional leads on the phase of the transmission and reflection amplitudes. The variations of the transmission and reflection amplitudes that are caused by the quantum scatterers for the particles moving inside and outside rings are shown to define a parity of the and conductance oscillations.
12 pages, 4 figures
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- Aharonov-Bohm effect for excitons in a semiconductor quantum ring dressed by circularly polarized light
- Curvature effect on spin polarization in a three-terminal geometry in presence of Rashba spin-orbit interaction
- Optically induced Aharonov-Bohm effect in mesoscopic rings
- Topological and noninertial effects in an Aharonov-Bohm ring
- Quantum information of the Aharanov-Bohm ring with Yukawa interaction in the presence of disclination
- Spin interference in silicon one-dimensional rings
- Optically controlled periodical chain of quantum rings
- The conductance of the gated Aharonov - Bohm ring touching a quantum wire
- Quantum-ring spin interference device tuned by quantum point contacts
- Spin transport in Aharonov-Bohm ring with exchange interaction