Reentrant ν=1 quantum Hall state in a two-dimensional hole system

A. L. Graninger, D. Kamburov, M. Shayegan, L. N. Pfeiffer, K. W. West, K. W. Baldwin, R. Winkler

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Abstract

We report the observation of a reentrant quantum Hall state at the Landau level filling factor ν=1 in a two-dimensional hole system confined to a 35-nm-wide (001) GaAs quantum well. The reentrant behavior is characterized by a weakening and eventual collapse of the ν=1 quantum Hall state in the presence of a parallel magnetic field component B, followed by a strengthening and reemergence as B is further increased. The robustness of the ν=1 quantum Hall state during the transition depends strongly on the charge distribution symmetry of the quantum well, while the magnitude of B needed to invoke the transition increases with the total density of the system.

Original languageEnglish (US)
Article number176810
JournalPhysical review letters
Volume107
Issue number17
DOIs
StatePublished - Oct 19 2011

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    Graninger, A. L., Kamburov, D., Shayegan, M., Pfeiffer, L. N., West, K. W., Baldwin, K. W., & Winkler, R. (2011). Reentrant ν=1 quantum Hall state in a two-dimensional hole system. Physical review letters, 107(17), [176810]. https://doi.org/10.1103/PhysRevLett.107.176810