Correlated tunneling and the instability of the fractional quantum hall edge

Dror Orgad*, Oded Agam

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

We consider a class of interaction terms that describes correlated tunneling of composite fermions between effective Landau levels. Despite being generic and of similar strength to that of the usual density-density couplings, these terms are not included in the accepted theory of the edges of fractional quantum Hall systems. Here we show that they may lead to an instability of the edge towards a new reconstructed state with additional channels, and thereby demonstrate the incompleteness of the traditional edge theory.

Original languageAmerican English
Article number156802
JournalPhysical Review Letters
Volume100
Issue number15
DOIs
StatePublished - 15 Apr 2008

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