Giant Fluctuations of Coulomb Drag in a Bilayer System

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dc.creatorPrice, A. S.
dc.creatorSavchenko, A. K.
dc.creatorNarozhny, B. N.
dc.creatorAllison, G.
dc.creatorRitchie, D. A.
dc.date2007-04-10
dc.date.accessioned2026-07-07T07:55:56Z
dc.date.available2026-07-07T07:55:56Z
dc.descriptionWe have observed reproducible fluctuations of the Coulomb drag, both as a function of magnetic field and electron concentration, which are a manifestation of quantum interference of electrons in the layers. At low temperatures the fluctuations exceed the average drag, giving rise to random changes of the sign of the drag. The fluctuations are found to be much larger than previously expected, and we propose a model which explains their enhancement by considering fluctuations of local electron properties.
dc.description10 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0704.1242
dc.identifierhttp://arxiv.org/abs/0704.1242
dc.identifierScience, Vol.316, 99 (2007)
dc.identifierdoi:10.1126/science.1139227
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/127133
dc.subjectMesoscale and Nanoscale Physics
dc.subjectDisordered Systems and Neural Networks
dc.subjectMaterials Science
dc.titleGiant Fluctuations of Coulomb Drag in a Bilayer System
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