Kronmüller, S. and Dietsche, W. and Weis, J. and Klitzing, Klaus von and Wegscheider, Werner and Bichler, Max
New Resistance Maxima in the Fractional Quantum Hall Effect Regime.
Physical Review Letters 81 (12), pp. 2526-2529.
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The magnetoresistance of a narrow single quantum well is spectacularly different from the usual behavior. At filling factors 2 / 3 and 3 / 5 we observe large and sharp maxima in the longitudinal resistance instead of the expected minima. The peak value of the resistance exceeds those of the surrounding magnetic field regions by a factor of up to 3. The formation of the maxima takes place on very ...
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