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 …

Quantum Hall physics: Hierarchies and conformal field theory techniques

TH Hansson, M Hermanns, SH Simon, SF Viefers - Reviews of Modern Physics, 2017 - APS
The fractional quantum Hall effect, being one of the most studied phenomena in condensed
matter physics during the past 30 years, has generated many ground-breaking new ideas …

InAs-Al hybrid devices passing the topological gap protocol

M Aghaee, A Akkala, Z Alam, R Ali, A Alcaraz Ramirez… - Physical Review B, 2023 - APS
We present measurements and simulations of semiconductor-superconductor
heterostructure devices that are consistent with the observation of topological …

Extended quantum anomalous Hall states in graphene/hBN moiré superlattices

Z Lu, T Han, Y Yao, Z Hadjri, J Yang, J Seo, L Shi, S Ye… - Nature, 2025 - nature.com
Electrons in topological flat bands can form new topological states driven by correlation
effects. The pentalayer rhombohedral graphene/hexagonal boron nitride (hBN) moiré …

Southern African ancient genomes estimate modern human divergence to 350,000 to 260,000 years ago

CM Schlebusch, H Malmström, T Günther, P Sjödin… - Science, 2017 - science.org
Southern Africa is consistently placed as a potential region for the evolution of Homo
sapiens. We present genome sequences, up to 13x coverage, from seven ancient …

Tunable interacting composite fermion phases in a half-filled bilayer-graphene Landau level

AA Zibrov, C Kometter, H Zhou, EM Spanton… - Nature, 2017 - nature.com
Non-Abelian anyons are a type of quasiparticle with the potential to encode quantum
information in topological qubits protected from decoherence. Experimental systems that are …

Multicomponent fractional quantum Hall effect in graphene

CR Dean, AF Young, P Cadden-Zimansky, L Wang… - Nature Physics, 2011 - nature.com
The fractional quantum Hall effect,,,(FQHE) in an electron gas with multiple internal degrees
of freedom provides a model system to study the interplay between symmetry breaking and …

Energy gap of the even-denominator fractional quantum Hall state in bilayer graphene

A Assouline, T Wang, H Zhou, LA Cohen, F Yang… - Physical Review Letters, 2024 - APS
Bernal bilayer graphene hosts even-denominator fractional quantum Hall states thought to
be described by a Pfaffian wave function with non-Abelian quasiparticle excitations. Here …

Even-denominator fractional quantum Hall states in bilayer graphene

JIA Li, C Tan, S Chen, Y Zeng, T Taniguchi… - Science, 2017 - science.org
The distinct Landau level spectrum of bilayer graphene (BLG) is predicted to support a non-
abelian even-denominator fractional quantum Hall (FQH) state similar to the 5 2 state first …

Valley isospin controlled fractional quantum Hall states in bilayer graphene

K Huang, H Fu, DR Hickey, N Alem, X Lin, K Watanabe… - Physical Review X, 2022 - APS
A two-dimensional electron system placed in a magnetic field develops Landau levels,
where strong Coulomb interactions lead to the appearance of many-body correlated ground …