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Magnetoexcitons in quantum-ring structures: a novel magnetic interference effect

✍ Scribed by S.E Ulloa; A.O Govorov; A.V Kalameitsev; R Warburton; K Karrai


Book ID
104427756
Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
103 KB
Volume
12
Category
Article
ISSN
1386-9477

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✦ Synopsis


A novel magnetic interference e ect is proposed for a neutral, but polarizable exciton in a quantum ring with a ΓΏnite width. The magnetic interference e ect originates from the nonzero dipole moment in the exciton. The ground state of exciton acquires a nonzero angular momentum with increasing normal magnetic ΓΏeld. This leads to the suppression of the photoluminescence in deΓΏned windows of the magnetic ΓΏeld.


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