Kellogg, M. and Spielman, I. B. and Eisenstein, J. P. and Pfeiffer, L. N. and West, K. W. (2002) Observation of Quantized Hall Drag in a Strongly Correlated Bilayer Electron System. Physical Review Letters, 88 (12). Art. No. 126804. ISSN 0031-9007 http://resolver.caltech.edu/CaltechAUTHORS:KELprl02
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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 νT = 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.
|Additional Information:||©2002 The American Physical Society Received 7 September 2001; published 8 March 2002 It is a pleasure to acknowledge valuable discussions with S. Das Sarma, S. M. Girvin, A. H. MacDonald, A. Stern, and K. Yang. This work was supported in part by grants from the NSF and the DOE. One of us (I.B.S.) acknowledges the support of the Department of Defense.|
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|Deposited On:||19 Jul 2006|
|Last Modified:||26 Dec 2012 08:56|
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