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  • Title: Unpaired composite fermion, topological exciton, and zero mode.
    Author: Sreejith GJ, Wójs A, Jain JK.
    Journal: Phys Rev Lett; 2011 Sep 23; 107(13):136802. PubMed ID: 22026886.
    Abstract:
    The paired state of composite fermions is expected to support two kinds of excitations: vortices and unpaired composite fermions. We construct an explicit microscopic description of the unpaired composite fermions, which we demonstrate to be accurate for a 3-body model interaction and, possibly, adiabatically connected to the Coulomb solution. This understanding reveals that an unpaired composite fermion carries with it a charge-neutral "topological" exciton, which, in turn, helps provide microscopic insight into the origin of zero modes, fusion rules, and energetics.
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