Composite-Fermion Edge States in Fractional Quantum Hall Systems

H.-S. Sim, K. J. Chang, and G. Ihm
Phys. Rev. Lett. 82, 596 – Published 18 January 1999
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Abstract

We describe the edge states of fractional quantum Hall systems with alternating compressible and incompressible strips using a composite-fermion picture. The current carried by composite fermions in a compressible region depends on the difference between the electron filling factors in the two adjacent incompressible regions, consistent with the results of the interacting-electron picture given by Beenakker [Phys. Rev. Lett. 64, 216 (1990)] and tested by recent experiments. This result allows the application of the Landauer-Büttiker formula for the composite fermion transport.

  • Received 6 May 1998

DOI:https://doi.org/10.1103/PhysRevLett.82.596

©1999 American Physical Society

Authors & Affiliations

H.-S. Sim and K. J. Chang

  • Department of Physics, Korea Advanced Institute of Science and Technology, Taejon 305-701, Korea

G. Ihm

  • Department of Physics, Chungnam National University, Taejon 305-764, Korea

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Vol. 82, Iss. 3 — 18 January 1999

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