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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

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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
Dates:
DateEvent
6 March 2009Published
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

Data sourced from Thomson Reuters' Web of Knowledge

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