Screening Model of Magnetotransport Hysteresis Observed in Bilayer Quantum Hall Systems

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We report on theoretical and experimental investigations of a novel hysteresis effect that has been observed on the magnetoresistance of quantum-Hall bilayer systems. Extending to these system a recent approach, based on the Thomas-Fermi-Poisson nonlinear screening theory and a local conductivity model, we are able to explain the hysteresis as being due to screening effects such as the formation of ``incompressible strips'', which hinder the electron density in a layer within the quantum Hall regime to reach its equilibrium distribution.
9 pages, 4 figures, to appear in Physica E

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Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/113500

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0607724
 http://arxiv.org/abs/cond-mat/0607724
 Physica E, vol. 34, pg 136-139, 2006
 doi:10.1016/j.physe.2006.03.096

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arXiv