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Suppression and recovery of quantum Hall plateaus in a parabolic quantum well

K. Ensslin, M. Sundaram, A. Wixforth, J. H. English, and A. C. Gossard
Phys. Rev. B 43, 9988(R) – Published 15 April 1991
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Abstract

The magnetotransport of a narrow (75-nm) parabolic well reveals suppressed quantum-Hall states at even-integer filling factors. The width of the parabolic well and the sheet carrier density determine which quantum Hall plateaus are observed. The observed behavior is explained by the influence of the magnetic field on the subband structure of the well.

  • Received 2 January 1991

DOI:https://doi.org/10.1103/PhysRevB.43.9988

©1991 American Physical Society

Authors & Affiliations

K. Ensslin, M. Sundaram, A. Wixforth, J. H. English, and A. C. Gossard

  • Materials Department, University of California, Santa Barbara, Calfiornia 93106

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Issue

Vol. 43, Iss. 12 — 15 April 1991

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