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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- . ISSN 0031-9007
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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 |
| 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 |
| Volume: | Vol.102 |
| Number: | No.9 |
| Number of Pages: | 4 |
| Page Range: | Article no.096405- |
| Identification Number: | 10.1103/PhysRevLett.102.096405 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Funder: | Nuffield Foundation |
| URI: | http://wrap.warwick.ac.uk/id/eprint/28318 |
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