paper

Evidence for non-linear quasiparticle tunneling between fractional quantum Hall edges

arXiv:cond-mat/0209088 · doi:10.1103/PhysRevLett.90.046805

Abstract

Remarkable nonlinearities in the differential tunneling conductance between fractional quantum Hall edge states at a constriction are observed in the weak-backscattering regime. In the = 1/3 state a peak develops as temperature is increased and its width is determined by the fractional charge. In the range this width displays a symmetric behavior around = 1/2. We discuss the consistency of these results with available theoretical predictions for inter-edge quasiparticle tunneling in the weak-backscattering regime.

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