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 ISSN 0031-9007.

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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, Engineering and Medicine > Science > Physics Faculty of Science, Engineering and Medicine > 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:	Date Event 6 March 2009 Published
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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