Observation of Quantized Hall Drag in a Strongly Correlated Bilayer Electron System
classification
❄️ cond-mat.mes-hall
cond-mat.str-el
keywords
draghallquantizedbilayercomponentelectronstrongsystem
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The frictional drag between parallel two-dimensional electron systems has been measured in a regime of strong interlayer correlations. When the bilayer system enters the excitonic quantized Hall state at total Landau level filling factor \nu_T=1 the longitudinal component of the drag vanishes but a strong Hall component develops. The Hall drag resistance is observed to be accurately quantized at h/e^2.
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