Edge modes in the fractional quantum Hall effect without extra edge fermions
Centro Brasileiro de Pesquisas Físicas - Rua Dr. Xavier Sigaud, 150, 22290-180, Rio de Janeiro, RJ, Brazil
Accepted: 24 March 2011
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.
PACS: 73.43.Cd – Theory and modeling / 11.15.-q – Gauge field theories / 11.30.-j – Symmetry and conservation laws
© EPLA, 2011