Title

Composite Edges In The V=2/3 Fractional Quantum Hall-Effect

Authors

Authors

M. D. Johnson;A. H. Macdonald

Comments

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Abbreviated Journal Title

Phys. Rev. Lett.

Abstract

The quantum Hall effect is due to discontinuities in the chemical potential at certain bulk electron densities. It has been conjectured that the resulting edge states in some fractional Hall gaps can have an intricate composite structure which reflects the correlations in the incompressible bulk fluid. We present direct numerical evidence obtained from exact-diagonalization studies in favor of this conjecture. We show that the states on the v = 2/3 fractional quantum Hall edge constitute a two-component system in which a v = 1/3 droplet of holes is contained within a v = 1 droplet of electrons.

Journal Title

Physical Review Letters

Volume

67

Issue/Number

15

Publication Date

1-1-1991

Document Type

Article

Language

English

First Page

2060

Last Page

2063

WOS Identifier

WOS:A1991GJ31900032

ISSN

0031-9007

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