Non-abelian Electrons
P. Bouwknegt, K. Schoutens
Abstract
We analyze critical and massive SO(5) superspin regimes for correlated electrons on a two-chain ladder. We identify fundamental low energy excitations, which carry the quantum numbers of a free electron, and can be probed in (inverse) photo-emission experiments. These excitations do not obey the usual Pauli Principle, but are governed by specific forms of so-called non-abelian exclusion statistics.
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