Signatures of fractional Hall quasiparticles in moments of current through an antidot

Details Signatures of fractional Hall quasiparticles in moments of current through an antidot Signatures of fractional Hall quasiparticles in moments of current through an antidot

2006-01-25

arxiv.org/abs/cond-mat/0601570v1

Phys. Rev. B 74, 041304 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1103/PhysRevB.74.041304

The statistics of tunneling current in a fractional quantum Hall sample with an antidot is studied in the chiral Luttinger liquid picture of edge states. A comparison between Fano factor and skewness is proposed in order to clearly distinguish the charge of the carriers in both the thermal and the shot limit. In addition, we address effects on current moments of non-universal exponents in single-quasiparticle propagators. Positive correlations, result of propagators behaviour, are obtained in the shot noise limit of the Fano factor, and possible experimental consequences are outlined.

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