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Finite wavevector scattering on the v=2/3 huge longitudinal resistance

DOI to cite this document:
10.5283/epub.11335
Kraus, Stefan ; Lok, J. G. S. ; Dietsche, W. ; Klitzing, Klaus von ; Wegscheider, Werner ; Bichler, Max
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Date of publication of this fulltext: 14 Dec 2009 13:10


Abstract

We observe the huge longitudinal resistance (HLR) anomaly at filling factor Image in a separately contacted, 15 nm wide double quantum well structure. With drag measurements we probe the interlayer momentum transfer with one of the wells in the HLR state and observe a dependence of the drag on the filling factor ν in the drag layer. The interlayer momentum transfer peaks at Image and Image and is small for other filling factors.


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