Kraus, Stefan and Stern, O. and Lok, J. G. S. and Dietsche, W. and Klitzing, Klaus von and Bichler, Max and Schuh, Dieter and Wegscheider, Werner
From Quantum Hall Ferromagnetism to Huge Longitudinal Resistance at the 2/3 Fractional Quantum Hall State.
Physical Review Letters (PRL) 89 (26), p. 266801.
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We observe the transition from a spin-unpolarized to a polarized ν=2/3 fractional quantum Hall state at low currents (<5 nA), recently described in terms of quantum Hall ferromagnetism, versus density and parallel magnetic field. At larger currents the time and current dependent huge longitudinal resistance (HLR) is always initiated at the transition. Transport in the HLR regime is linear and ...
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