Minimal Excitations in the Fractional Quantum Hall Regime

Abstract : We study the minimal excitations of fractional quantum Hall edges, extending the notion of levitons to interacting systems. Using both perturbative and exact calculations, we show that they arise in response to a Lorentzian potential with quantized flux. They carry an integer charge, thus involving several Laughlin quasiparticles, and leave a Poissonian signature in a Hanbury Brown–Twiss partition noise measurement at low transparency. This makes them readily accessible experimentally, ultimately offering the opportunity to study real-time transport of Abelian and non-Abelian excitations.
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Physical Review Letters, American Physical Society, 2017, 118 (7), pp.076801. 〈10.1103/PhysRevLett.118.076801〉
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https://hal.archives-ouvertes.fr/hal-01498180
Contributeur : Jérôme Rech <>
Soumis le : mercredi 29 mars 2017 - 16:42:38
Dernière modification le : jeudi 30 mars 2017 - 01:07:12

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Jérôme Rech, Dario Ferraro, Thibaut Jonckheere, Luca Vannucci, Maura Sassetti, et al.. Minimal Excitations in the Fractional Quantum Hall Regime. Physical Review Letters, American Physical Society, 2017, 118 (7), pp.076801. 〈10.1103/PhysRevLett.118.076801〉. 〈hal-01498180〉

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