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Tunneling between a pair of parallel Hall droplets

S. R. Renn

B. W. Roberts

  • Department of Physics, University of California, San Diego, La Jolla, California 92093-0319

  • Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York 14853-2501

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Phys. Rev. B 50, 7626 – Published 15 September, 1994

DOI: https://doi.org/10.1103/PhysRevB.50.7626

Abstract

In this paper, we examine interwell tunneling between a pair of fractional quantum Hall liquids in a double-quantum-well system in a tilted magnetic field. Using a variational Monte Carlo method, we calculate moments of the intra-Landau-level tunneling spectrum as a function of in-plane field component BR∥and interwell spacing d. This is done for a variety of incompressible states including a pair of ν=1/3 layers ([330]), a pair of ν=1/5 layers ([550]), and Halperin’s [331] state. The results suggest a technique to extract interwell correlations from the tunneling spectral data.

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Phys. Rev. B 50, 7626– Published 15 September, 1994
  • Received 15 April 1994

© 1994 American Physical Society

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