Magnetic-field-driven destruction of quantum Hall states in a double quantum well

G. S. Boebinger, H. W. Jiang, L. N. Pfeiffer, and K. W. West
Phys. Rev. Lett. 64, 1793 – Published 9 April 1990
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Abstract

The magnetotransport of double-quantum-well structures reveals a high-magnetic-field regime in which quantum Hall states at odd-integer ν are missing, where ν is the number of filled energy levels. In these double wells, the ν=odd quantum Hall states originate from the symmetric-antisymmetric energy gap. With increasing barrier thickness between the two wells, initially the magnetic field destroys only the ν=1 state, then both the ν=1 and ν=3 states disappear. We attribute their destruction to the onset of interwell electron density fluctuations.

  • Received 26 October 1989

DOI:https://doi.org/10.1103/PhysRevLett.64.1793

©1990 American Physical Society

Authors & Affiliations

G. S. Boebinger, H. W. Jiang, L. N. Pfeiffer, and K. W. West

  • AT&T Bell Laboratories, Murray Hill, New Jersey 07974 and Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544

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Vol. 64, Iss. 15 — 9 April 1990

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