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    Nonlinear Quasiparticle Tunneling between Fractional Quantum Hall Edges

    Vignale, Giovanni, 1957-
    Roddard, Stefano
    Pellegrini, Vittorio
    Beltram, Fabio
    Biasiol, Gorgio
    Sorba, Lucia
    Raimondi, Roberto
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    [PDF] NonlinearQuasiparticleTunnelingBetween.pdf (938.5Kb)
    Date
    2003
    Format
    Article
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    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 ν=1/3 state a peak develops as temperature is increased and its width is determined by the fractional charge. In the range 2/3≤ν≤1/3 this width displays a symmetric behavior around ν=1/2. We discuss the consistency of these results with available theoretical predictions for interedge quasiparticle tunneling in the weak-backscattering regime.
    URI
    http://hdl.handle.net/10355/7876
    Citation
    Phys. Rev. Lett. 90, 046805 (2003)
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