Exchange and exclusion in the non-abelian anyon gas

Abstract

We review and develop the many-body spectral theory of ideal anyons, i.e. identical quantum particles in the plane whose exchange rules are governed by unitary representations of the braid group on $N$ strands. Allowing for arbitrary rank (dependent on $N$) and non-abelian representations, and letting $N\to \infty$, this defines the ideal non-abelian many-anyon gas. We compute exchange operators and phases for a common and wide class of representations defined by fusion algebras, including the Fibonacci and Ising anyon models. Furthermore, we extend methods of statistical repulsion (Poincaré and Hardy inequalities) and a local exclusion principle (also implying a Lieb-Thirring inequality) developed for abelian anyons to arbitrary geometric anyon models, i.e. arbitrary sequences of unitary representations of the braid group, for which two-anyon exchange is nontrivial.

arXiv comment81 pages, 10 figures. V3: minor corrections and clarifications; accepted for publication in Complex Analysis and Operator Theory

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Cited by in corpus (1)

• Magnetic Perturbations of Anyonic and Aharonov-Bohm Schrödinger Operators