Artículo
Quantum transport in nonuniform magnetic fields: Aharonov-Bohm ring as a spin switch
Autor/es | Frustaglia, Diego César
Hentschel, Martina Richter, Klaus |
Departamento | Universidad de Sevilla. Departamento de Física Aplicada II |
Fecha de publicación | 2001-12-17 |
Fecha de depósito | 2023-11-02 |
Publicado en |
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Resumen | 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. |
Cita | 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. |
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