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Edge modes in the fractional quantum Hall effect without extra edge fermions

Research paper by Gabriel Di Lemos Santiago Lima, Sebastiao Alves Dias

Indexed on: 15 Apr '13Published on: 15 Apr '13Published in: Physics - Mesoscopic Systems and Quantum Hall Effect



Abstract

We show that the Chern-Simons-Landau-Ginsburg theory that describes the quantum Hall effect on a bounded sample is anomaly free and thus does not require the addition of extra chiral fermions on the boundary to restore local gauge invariance.