First observation of Aharonov-Bohm cages in 2-D normal metal networks

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We report on magnetoresistance transport measurements performed on a bipartite tiling of rhombus in the GaAs/GaAlAs system. We observe for the first time large amplitude $h/e$ oscillations in this network as compared to the one measured in square lattices of similar size. These oscillations are the signature of a recently predicted localization phenomenon induced by Aharonov-Bohm interferences in this peculiar network.
5 figures submitted to Phys. Rev. Lett, revised version, new figure

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Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/16517

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0006400
 http://arxiv.org/abs/cond-mat/0006400

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arXiv