Spin-dependent hole quantum transport in Aharonov-Bohm ring structure: possible schemes for spin filter

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We study the Aharonov-Bohm (AB) effect in two-dimensional mesoscopic frame in hole systems. We show that differing from the AB effect in electron systems, due to the presence of both the heavy hole and the light hole, the conductances not only show the normal spin-unresolved AB oscillations, but also become spin-separated. Some schemes for spin filter based on the abundant interference characteristics are proposed.
4 pages, 5 figures. Phys. Lett. A, 2005, in press

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Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/96538

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0508171
 http://arxiv.org/abs/cond-mat/0508171
 Phys. Lett. A 349, 393 (2006)
 doi:10.1016/j.physleta.2005.09.035

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arXiv