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arxiv: 1601.02508 · v3 · pith:MLWNKNKAnew · submitted 2016-01-11 · ❄️ cond-mat.str-el · cond-mat.mes-hall· cond-mat.quant-gas· math-ph· math.MP

Emergence of fractional statistics for tracer particles in a Laughlin liquid

classification ❄️ cond-mat.str-el cond-mat.mes-hallcond-mat.quant-gasmath-phmath.MP
keywords particleslaughlinmagneticdistincteffectivefieldfractionalstatistics
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We consider a thought experiment where two distinct species of 2D particles in a perpendicular magnetic field interact via repulsive potentials. If the magnetic field and the interactions are strong enough, one type of particles forms a Laughlin state and the other ones couple to Laughlin quasi-holes. We show that in this situation, the motion of the second type of particles is described by an effective Hamiltonian, corresponding to the magnetic gauge picture for non-interacting anyons. The argument is in accord with, but distinct from, the Berry phase calculation of Arovas-Schrieffer-Wilczek. It suggests possibilities to observe the influence of effective anyon statistics in fractional quantum Hall systems.

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