Reconstruction of Fractional Quantum Hall Edges

Abstract

We study the interplay of interaction, confining potential and effects of finite temperature at the edge of a quantum Hall liquid. Our exact diagonalization calculation indicates that edge reconstruction occurs in the fractional quantum Hall regime for a variety of confining potential, including ones that correspond to a "sharp" edge. Our finite temperature Hartree-Fock calculation for integer quantum Hall edges indicates that reconstruction is suppressed above certain temperature. We discuss the implication of our results on recent edge tunneling and microwave absorption experiments.

Revised version. 5 papges RevTex with 5 eps figures embedded in the text

References in corpus (3)

• Fermi liquid to Luttinger liquid transition at the edge of a two-dimensional electron gas
• Effective action of a compressible QH state edge: application to tunneling
• Formation of an Edge Striped Phase in Fractional Quantum Hall Systems

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