Spin effects in the magnetodrag between double quantum wells

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.11166

Lok, J. G. S. ; Kraus, S. ; Pohlt, M. ; Dietsche, W. ; Klitzing, Klaus von ; Wegscheider, Werner ; Bichler, Max

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Veröffentlichungsdatum dieses Volltextes: 30 Nov 2009 13:33

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We report on the selectivity to spin in a drag measurement. This selectivity to spin causes deep minima in the magnetodrag at odd filling factors for matched electron densities at magnetic fields and temperatures at which the bare spin energy is only one tenth of the temperature. For mismatched densities the selectivity causes a 1/B periodic oscillation, such that negative minima in the drag are ...