Effect of disorder on the non-dissipative drag

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In this paper we consider the effect of disorder on the non-dissipative Coulomb drag between two mesoscopic metal rings at zero temperature. Ring 1 has an Aharonov-Bohm flux present which creates a persistent current J_0. Ring 2 interacts with ring 1 via the Coulomb potential and a drag current, J_d is produced. We show that this drag current persists with finite disorder in each ring, and that for small disorder, J_d decreases with the square of the disorder amplitude.
10 pages, 5 figures

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Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/29019

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9901345
 http://arxiv.org/abs/cond-mat/9901345

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arXiv