Bercioux, Dario and Governale, M. and Cataudella, V. and Ramaglia, V. M. (2004) Quantum networks in the presence of the Rashba effect and a magnetic field. MATERIALS SCIENCE-POLAND, 22 (4). pp. 553-563. ISSN 2083-1331
Full text not available from this repository. (Request a copy)Abstract
We use a simple formalism to calculate the conductance of any quantum network consisting of single-channel one-dimensional quantum wires in the presence of Rashba spin-orbit coupling and a coupling magnetic field. We show that the Rashba effect may give rise to an electron localization phenomenon similar to the Aharonov - Bohm effect. This localization effect can be attributed to spin precession due to the Rashba effect. We present results for linear transport through a finite-size chain connected to leads, taking also the effect of disorder into account. The effects of applying a magnetic field and Rashba spin-orbit coupling are studied in two-dimensional networks, showing that their interplay can lead the system to a transition between localized and anti-localized behaviour.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | AHARONOV-BOHM CAGES; SPIN; PARTICLES; Rashba effect; quantum networks; Aharonov-Bohm effect; localization |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 23 Jul 2021 10:46 |
| Last Modified: | 23 Jul 2021 10:46 |
| URI: | https://pred.uni-regensburg.de/id/eprint/38210 |
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