Article
Quantum transport in nonuniform magnetic fields: Aharonov-Bohm ring as a spin switch
Author/s | Frustaglia, Diego César
![]() ![]() ![]() ![]() ![]() ![]() ![]() Hentschel, Martina Richter, Klaus |
Department | Universidad de Sevilla. Departamento de Física Aplicada II |
Publication Date | 2001-12-17 |
Deposit Date | 2023-11-02 |
Published in |
|
Abstract | We study spin-dependent magnetoconductance in mesoscopic rings subject to an inhomogeneous in-plane magnetic field. We show that the polarization direction of transmitted spin-polarized electrons can be controlled via an ... We study spin-dependent magnetoconductance in mesoscopic rings subject to an inhomogeneous in-plane magnetic field. We show that the polarization direction of transmitted spin-polarized electrons can be controlled via an additional magnetic flux such that spin flips are induced at half a flux quantum. This quantum interference effect is independent of the strength of the nonuniform field applied. We give an analytical explanation for one-dimensional rings and numerical results for corresponding ballistic microstructures. |
Citation | Frustaglia, D.C., Hentschel, M. y Richter, K. (2001). Quantum transport in nonuniform magnetic fields: Aharonov-Bohm ring as a spin switch. Physical Review Letters, 87 (25), 256602-1-256602-4. https://doi.org/10.1103/PhysRevLett.87.256602. |
Files | Size | Format | View | Description |
---|---|---|---|---|
Quantum transport in nonuniform ... | 96.98Kb | ![]() | View/ | |