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arxiv: 0705.2902 · v2 · submitted 2007-05-21 · ❄️ cond-mat.mes-hall

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Non-Abelian statistics in the interference noise of the Moore-Read quantum Hall state

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classification ❄️ cond-mat.mes-hall
keywords noisestatehallnaturenon-abelianquantumcurrentinterference
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We propose noise oscillation measurements in a double point contact, accessible with current technology, to seek for a signature of the non-abelian nature of the \nu=5/2 quantum Hall state. Calculating the voltage and temperature dependence of the current and noise oscillations, we predict the non-abelian nature to materialize through a multiplicity of the possible outcomes: two qualitatively different frequency dependences of the nonzero interference noise. Comparison between our predictions for the Moore-Read state with experiments on \nu=5/2 will serve as a much needed test for the nature of the \nu=5/2 quantum Hall state.

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