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Exciton storage in a nanoscale Aharonov-Bohm ring with electric field tuning
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Fischer, Andrea M., Campo, Vivaldo L., Portnoi, Mikhail E. and Roemer, Rudolf A. (2009) Exciton storage in a nanoscale Aharonov-Bohm ring with electric field tuning. Physical Review Letters, Vol.102 (No.9). Article no.096405- . doi:10.1103/PhysRevLett.102.096405
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.102.096405
Abstract
We study analytically the optical properties of a simple model for an electron-hole pair on a ring subjected to perpendicular magnetic flux and in-plane electric field. We show how to tune this excitonic system from optically active to optically dark as a function of these external fields. Our results offer a simple mechanism for exciton storage and readout.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Other > Institute of Advanced Study Faculty of Science > Physics Faculty of Science > Centre for Scientific Computing |
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| Library of Congress Subject Headings (LCSH): | Quantum computers, Quantum dots, Exciton theory | ||||
| Journal or Publication Title: | Physical Review Letters | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 0031-9007 | ||||
| Official Date: | 6 March 2009 | ||||
| Dates: |
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| Volume: | Vol.102 | ||||
| Number: | No.9 | ||||
| Number of Pages: | 4 | ||||
| Page Range: | Article no.096405- | ||||
| DOI: | 10.1103/PhysRevLett.102.096405 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Nuffield Foundation |
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