From semiclassical transport to quantum Hall effect under low-field Landau quantization

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dc.creatorHang, D. R.
dc.creatorHuang, C. F.
dc.creatorZhang, Y. W.
dc.creatorYeh, H. D.
dc.creatorHsiao, J. C.
dc.creatorPang, H. L.
dc.date2006-08-18
dc.date.accessioned2026-07-07T07:39:34Z
dc.date.available2026-07-07T07:39:34Z
dc.descriptionThe crossover from the semiclassical transport to quantum Hall effect is studied by examining a two-dimensional electron system in an AlGaAs/GaAs heterostructure. By probing the magneto-oscillations, it is shown that the semiclassical Shubnikov-de Haas (SdH) formulation can be valid even when the minima of the longitudinal resistivity approach zero. The extension of the applicable range of the SdH theory could be due to the damping effects resulting from disorder and temperature. Moreover, we observed plateau-plateau transition like behavior with such an extension. From our study, it is important to include the positive magnetoresistance to refine the SdH theory.
dc.description11 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0608408
dc.identifierhttp://arxiv.org/abs/cond-mat/0608408
dc.identifierSolid State Communications 141, 17 (2007).
dc.identifierdoi:10.1016/j.ssc.2006.09.044
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/121498
dc.subjectMesoscale and Nanoscale Physics
dc.titleFrom semiclassical transport to quantum Hall effect under low-field Landau quantization
dc.typetext

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