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Liu Y, Pappas CG, Shayegan M, et al. Observation of reentrant integer quantum Hall states in the lowest Landau level. Phys Rev Lett. 2012;109(3):036801doi: 10.1103/PhysRevLett.109.036801.
Liu, Y., Pappas, C. G., Shayegan, M., Pfeiffer, L. N., West, K. W., & Baldwin, K. W. (2012). Observation of reentrant integer quantum Hall states in the lowest Landau level. Physical review letters, 109(3), 036801. https://doi.org/10.1103/PhysRevLett.109.036801
Liu, Yang, et al. "Observation of reentrant integer quantum Hall states in the lowest Landau level." Physical review letters vol. 109,3 (2012): 036801. doi: https://doi.org/10.1103/PhysRevLett.109.036801
Liu Y, Pappas CG, Shayegan M, Pfeiffer LN, West KW, Baldwin KW. Observation of reentrant integer quantum Hall states in the lowest Landau level. Phys Rev Lett. 2012 Jul 20;109(3):036801. doi: 10.1103/PhysRevLett.109.036801. Epub 2012 Jul 17. PMID: 22861882.
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Phys Rev Lett. 2012 Jul 20;109(3):036801. doi: 10.1103/PhysRevLett.109.036801. Epub 2012 Jul 17.

Observation of reentrant integer quantum Hall states in the lowest Landau level.

Physical review letters

Yang Liu, C G Pappas, M Shayegan, L N Pfeiffer, K W West, K W Baldwin

Affiliations

  1. Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA.

PMID: 22861882 DOI: 10.1103/PhysRevLett.109.036801

Abstract

Measurements on very low disorder two-dimensional electrons confined to relatively wide GaAs quantum well samples with tunable density reveal a close competition between the electron liquid and solid phases near the Landau level filling factor ν=1. As the density is raised, the fractional quantum Hall liquid at ν=4/5 suddenly disappears at a well-width dependent critical density, and then reappears at higher densities with insulating phases on its flanks. These insulating phases exhibit reentrant ν=1 integer quantum Hall effects and signal the formation of electron Wigner crystal states. Qualitatively similar phenomena are seen near ν=6/5.

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