Hofstetter, L. and Geresdi, A. and Aagesen, M. and Nygard, J. and Schonenberger, C. and Csonka, S.. (2010) Ferromagnetic Proximity Effect in a Ferromagnet–Quantum-Dot–Superconductor Device. Physical review letters, Vol. 104 , 246804.
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Official URL: http://edoc.unibas.ch/dok/A5841635
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Abstract
The ferromagnetic proximity effect is studied in InAs nanowire based quantum dots strongly coupled to a ferromagnetic (F) and a superconducting (S) lead. The influence of the F lead is detected through the splitting of the spin-1/2 Kondo resonance. We show that the F lead induces a local exchange field on the quantum dot, which has varying amplitude and sign depending on the charge states. The interplay of the F and S correlations generates an exchange field related subgap feature.
| Faculties and Departments: | 05 Faculty of Science > Departement Physik > Physik > Experimentalphysik Nanoelektronik (Schönenberger) |
|---|---|
| UniBasel Contributors: | Schönenberger, Christian and Hofstetter, Lukas and Csonka, Szabolcs |
| Item Type: | Article, refereed |
| Article Subtype: | Research Article |
| Publisher: | American Physical Society |
| ISSN: | 0031-9007 |
| Note: | Publication type according to Uni Basel Research Database: Journal article |
| Identification Number: |
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| Last Modified: | 01 Feb 2013 08:45 |
| Deposited On: | 14 Sep 2012 06:47 |
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