Observation of a new reentrant integer quantum Hall state in the N=0 Landau level
ORAL
Abstract
We report the observation of a reentrant integer quantum Hall state in the N = 0 Landau level near the Landau level filling factor ν=2-1/5. Unlike similar reentrant states in high N ≥ 2 Landau levels, the reentrant state reported here is interpreted as a Wigner solid that is the particle-hole conjugate of the reentrant Wigner solid forming at 1/5 < ν < 2/9. Our results indicate that Wigner solids in the GaAs/AlGaAs system commonly straddle the partial filling factor 1/5 and paint a complex picture of the competition of the Wigner solid with fractional quantum Hall states.
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Presenters
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Gabor Csathy
Purdue Univ
Authors
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Gabor Csathy
Purdue Univ
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Vidhi Shingla
Purdue Univ
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Kenneth West
Princeton University, Electrical Engineering, Princeton University, Electrical engineering, Princeton university, Princeton Univ, Department of Electrical Engineering, Princeton University, electrical engineering, Princeton, Department of Electrical Engineering, Princeton University, Princeton, NJ, 08544, USA
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Loren Pfeiffer
Princeton University, Electrical Engineering, Princeton University, Electrical engineering, Princeton university, Princeton Univ, Department of Electrical Engineering, Princeton University, electrical engineering, Princeton, Department of Electrical Engineering, Princeton University, Princeton, NJ, 08544, USA