Non-Abelian fractional quantum Hall states and chiral coset conformal field theories
D. C. Cabra, E. Fradkin, G. L. Rossini, F. A. Schaposnik
Abstract
We propose an effective Lagrangian for the low energy theory of the Pfaffian states of the fractional quantum Hall effect in the bulk in terms of non-Abelian Chern-Simons (CS) actions. Our approach exploits the connection between the topological Chern-Simons theory and chiral conformal field theories. This construction can be used to describe a large class of non-Abelian FQH states.
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