Current statistics of an antidot in the fractional quantum Hall regime is
studied for Laughlin's series. The chiral Luttinger liquid picture of edge
states with a renormalized interaction exponent g is adopted. Several
peculiar features are found in the sequential tunneling regime. On one side,
current displays negative differential conductance and double-peak structures
when g<1. On the other side, universal sub-poissonian transport regimes are
identified through an analysis of higher current moments. A comparison between
Fano factor and skewness is proposed in order to clearly distinguish the charge
of the carriers, regardless of possible non-universal interaction
renormalizations. Super-poissonian statistics is obtained in the shot limit for
g<1, and plasmonic effects due to the finite-size antidot are tracked.Comment: accepted for publication in Phys. Rev. B, references adde
