Coherent oscillations of current due to nuclear spins

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We propose a mechanism for very slow coherent oscillations of current and nuclear spins in a quantum dot system, that may qualitatively explain some recent experimental observations. We concentrate on an experimentally relevant double dot setup where hyperfine interaction lifts the spin blockade. We study the dependence of the magnitude and period of the oscillations on magnetic field and anisotropy.
5 pages, 3 figures

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Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/22143

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0309069
 http://arxiv.org/abs/cond-mat/0309069

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arXiv