Optical detection of the Aharonov-Bohm effect on a charged particle in a nanoscale quantum ring

We study spectroscopically the current produced by a charged particle moving in a nanosize semiconductor quantum ring subject to a perpendicular magnetic field. Several Aharonov-Bohm oscillations are observed in the emission of a charged exciton confined in a single ring structure. The magnetic fiel...

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Bibliographic Details
Published inPhysical review letters Vol. 90; no. 18; p. 186801
Main Authors Bayer, M, Korkusinski, M, Hawrylak, P, Gutbrod, T, Michel, M, Forchel, A
Format Journal Article
LanguageEnglish
Published United States 09.05.2003
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ISSN0031-9007
DOI10.1103/PhysRevLett.90.186801

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Summary:We study spectroscopically the current produced by a charged particle moving in a nanosize semiconductor quantum ring subject to a perpendicular magnetic field. Several Aharonov-Bohm oscillations are observed in the emission of a charged exciton confined in a single ring structure. The magnetic field period of the oscillations correlates well with the size of the rings.
ISSN:0031-9007
DOI:10.1103/PhysRevLett.90.186801