Lok, J. G. S and Kraus, S and Pohlt, M. and Dietsche, W. and Klitzing, Klaus von and Wegscheider, Werner and Bichler, Max
Spin effects in the magnetodrag between double quantum wells.
Physical Review B 63 (4), R041305.
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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 ...
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