Fractional charge and fractional statistics in the quantum Hall effects

DE Feldman, BI Halperin - Reports on Progress in Physics, 2021 - iopscience.iop.org
Quasiparticles with fractional charge and fractional statistics are key features of the fractional
quantum Hall effect. We discuss in detail the definitions of fractional charge and statistics …

Observation of the scaling dimension of fractional quantum Hall anyons

A Veillon, C Piquard, P Glidic, Y Sato, A Aassime… - Nature, 2024 - nature.com
Unconventional quasiparticles emerging in the fractional quantum Hall regime, present the
challenge of observing their exotic properties unambiguously. Although the fractional charge …

Characterizing neutral modes of fractional states in the second Landau level

M Dolev, Y Gross, R Sabo, I Gurman, M Heiblum… - Physical Review Letters, 2011 - APS
Fractionally charged quasiparticles, which obey non-Abelian statistics, were predicted to
exist in the<? format?> ν= 8/3, ν= 5/2, and ν= 7/3 fractional quantum Hall states (in the …

Anyon statistics through conductance measurements of time-domain interferometry

N Schiller, Y Shapira, A Stern, Y Oreg - Physical review letters, 2023 - APS
We propose a method to extract the mutual exchange statistics of the anyonic excitations of
a general Abelian fractional quantum Hall state, by comparing the tunneling characteristics …

Phase-coherent dynamics of quantum devices with local interactions

M Filippone, A Marguerite, K Le Hur, G Fève, C Mora - Entropy, 2020 - mdpi.com
This review illustrates how Local Fermi Liquid (LFL) theories describe the strongly correlated
and coherent low-energy dynamics of quantum dot devices. This approach consists in an …

Microwave photons emitted by fractionally charged quasiparticles

R Bisognin, H Bartolomei, M Kumar, I Safi… - Nature …, 2019 - nature.com
Strongly correlated low-dimensional systems can host exotic elementary excitations carrying
a fractional charge q and potentially obeying anyonic statistics. In the fractional quantum …

Dependence of the tunneling quasiparticle charge determined via shot noise measurements on the tunneling barrier and energetics

M Dolev, Y Gross, YC Chung, M Heiblum… - Physical Review B …, 2010 - APS
Charged excitations in the fractional quantum Hall effect are known to carry fractional
charges, as theoretically predicted and experimentally verified. Here we report on the …

Why a noninteracting model works for shot noise in fractional charge experiments

DE Feldman, M Heiblum - Physical Review B, 2017 - APS
A fractional quasiparticle charge is a manifestation of strong interactions in the fractional
quantum Hall effect. Nevertheless, shot noise of quasiparticles is well described by a …

Tunneling between helical edge states through extended contacts

G Dolcetto, S Barbarino, D Ferraro, N Magnoli… - Physical Review B …, 2012 - APS
We consider a quantum spin Hall system in a two-terminal setup, with an extended tunneling
contact connecting upper and lower edges. We analyze the effects of this geometry on the …

Edge-mode velocities and thermal coherence of quantum Hall interferometers

ZX Hu, EH Rezayi, X Wan, K Yang - Physical Review B—Condensed Matter …, 2009 - APS
We present comprehensive results on the edge-mode velocities in a quantum Hall droplet
with realistic interaction and confinement at various filling fractions. We demonstrate that the …