Spin-flip Effects in the Mesoscopic Spin-Interferometer

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We investigate the properties of the electron spin-transmission through an Aharonov-Bohm interferometer with an embedded multilevel quantum dot containing magnetic impurities. A suitable formalism is developed. The amplitude and the phase of the flip- and nonflip-transmittance are calculated numerically as function of the magnetic field and the gate potential applied on the dot. The effects induced by the exchange interaction to spin-dependent magnetoconductance fluctuations and transmittance phase are shown.
10 pages, 9 figures

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Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/20870

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0302203
 http://arxiv.org/abs/cond-mat/0302203
 Physica E 28, 191 (2005) - revised version
 doi:10.1016/j.physe.2005.03.013

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arXiv