Exciton storage in a nano-scale Aharonov-Bohm ring with electric field tuning

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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 read-out.
5 pages, 5 figures

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Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/222309

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0809.3863
 http://arxiv.org/abs/0809.3863
 Phys. Rev. Lett. 102, 096405 (2009)
 doi:10.1103/PhysRevLett.102.096405

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arXiv