Drag effect between 2D electron gases: composite fermion and screening effects

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.11031

Jörger, C. ; Dietsche, W. ; Wegscheider, Werner ; Klitzing, Klaus von

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Veröffentlichungsdatum dieses Volltextes: 30 Nov 2009 13:18

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We report on experimental data of the drag effect between 2D electron gases confined to two separate layers in a strong perpendicular magnetic field. We investigate the coupling at Landau level filling factor Image as a function of temperature, carrier densities of the two layers and distance between them. A good agreement is found with a recent theory based on Coulomb interaction. Furthermore we ...