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 …

Chiral Luttinger liquids at the fractional quantum Hall edge

AM Chang - Reviews of Modern Physics, 2003 - APS
The edges of quantum Hall fluids behave as one-dimensional conductors. This article
reviews electron transport into these edge states, covering both the theory based on the …

Quasi-Particle Properties from Tunneling in the v = 5/2 Fractional Quantum Hall State

IP Radu, JB Miller, CM Marcus, MA Kastner, LN Pfeiffer… - Science, 2008 - science.org
Quasi-particles with fractional charge and statistics, as well as modified Coulomb
interactions, exist in a two-dimensional electron system in the fractional quantum Hall (FQH) …

Comparing fractional quantum Hall Laughlin and Jain topological orders with the anyon collider

M Ruelle, E Frigerio, JM Berroir, B Plaçais, J Rech… - Physical Review X, 2023 - APS
Anyon collision experiments have recently demonstrated the ability to discriminate between
fermionic and anyonic statistics. However, only one type of anyons associated with the …

Nanoscale electrostatic control in ultraclean van der Waals heterostructures by local anodic oxidation of graphite gates

LA Cohen, NL Samuelson, T Wang, K Klocke… - Nature Physics, 2023 - nature.com
In an all-van der Waals heterostructure, the active layer, gate dielectrics and gate electrodes
are assembled from two-dimensional crystals that have a low density of atomic defects. This …

Shot noise in mesoscopic systems: From single particles to quantum liquids

K Kobayashi, M Hashisaka - Journal of the Physical Society of Japan, 2021 - journals.jps.jp
Shot noise, originating from the discrete nature of electric charge, is generated by scattering
processes. Shot-noise measurements have revealed microscopic charge dynamics in …

Probing quantum phases in ultra-high-mobility two-dimensional electron systems using surface acoustic waves

M Wu, X Liu, R Wang, YJ Chung, A Gupta… - Physical Review Letters, 2024 - APS
Transport measurement, which applies an electric field and studies the migration of charged
particles, ie, the current, is the most widely used technique in condensed matter studies. It is …

Stabilization of the particle-hole Pfaffian order by Landau-level mixing and impurities that break particle-hole symmetry

PT Zucker, DE Feldman - Physical Review Letters, 2016 - APS
Numerical results suggest that the quantum Hall effect at ν= 5/2 is described by the Pfaffian
or anti-Pfaffian state in the absence of disorder and Landau-level mixing. Those states are …

Universal chiral Luttinger liquid behavior in a graphene fractional quantum Hall point contact

LA Cohen, NL Samuelson, T Wang, T Taniguchi… - Science, 2023 - science.org
One-dimensional conductors are described by Luttinger liquid theory, which predicts a
power-law suppression of the single-electron tunneling density of states at low voltages. The …

Extracting the scaling dimension of quantum Hall quasiparticles from current correlations

N Schiller, Y Oreg, K Snizhko - Physical Review B, 2022 - APS
Fractional quantum Hall quasiparticles are generally characterized by two quantum
numbers: electric charge Q and scaling dimension Δ. For the simplest states (such as the …