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Spin anomalies in the magneto-drag between double layer 2DEGs

DOI to cite this document:
Lok, J. G. S. ; Kraus, Stefan ; Pohlt, M. ; Güven, K. ; Dietsche, W. ; Klitzing, Klaus von ; Wegscheider, Werner ; Bichler, Max
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Date of publication of this fulltext: 30 Nov 2009 13:54


We have measured the low temperature magneto-drag between two two-dimensional electron gases (2DEGs). At matched densities, minima at odd filling factor are observed down to fields at which the Zeeman energy is only one tenth of temperature. At mismatched densities a novel 1/B periodic oscillation in the magneto-drag is observed with frequency h/2e times the density mismatch between the 2DEGs. ...


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