Recher, P. and Sukhorukov, E. V. and Loss, D.. (2000) Quantum dot as spin filter and spin memory. Physical review letters, Vol. 85, H. 9. pp. 1962-1965.
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Official URL: http://edoc.unibas.ch/dok/A5254744
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Abstract
We consider a quantum dot in the Coulomb blockade regime weakly coupled to current leads and show that in the presence of a magnetic field it acts as an efficient spin filter (at the single-spin level), producing a spin-polarized current. Conversely, if the leads are fully spin polarized the up or the down state of the spin on the dot results in a large sequential or a small cotunneling current, and, thus, together with ESR techniques, the setup can be operated as a single-spin memory.
Faculties and Departments: | 05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Mesoscopics (Loss) |
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UniBasel Contributors: | Loss, Daniel |
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: | |
Last Modified: | 22 Mar 2012 14:26 |
Deposited On: | 22 Mar 2012 13:53 |
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