English
Related papers

Related papers: Anyonic membranes and Pontryagin statistics

200 papers

Topological phases in two dimensions support anyonic quasiparticle excitations that obey neither bosonic nor fermionic statistics. These anyon structures often carry global symmetries that relate distinct anyons with similar fusion and…

Strongly Correlated Electrons · Physics 2016-03-09 Jeffrey C. Y. Teo

The fractional quantum Hall effect (FQHE) is known to host anyons, quasiparticles whose statistics is intermediate between bosonic and fermionic. We show here that Hong-Ou-Mandel (HOM) interferences between excitations created by narrow…

Mesoscale and Nanoscale Physics · Physics 2023-12-01 T. Jonckheere , J. Rech , B. Grémaud , T. Martin

Identifying experimental signatures of anyons, which exhibit fractional exchange statistics, remains a central challenge in the study of two-dimensional topologically ordered systems. Previous theoretical work has shown that the threshold…

Strongly Correlated Electrons · Physics 2025-11-24 Nico Kirchner , Wonjune Choi , Frank Pollmann

Two-dimensional many-body quantum systems can exhibit topological order and support collective excitations with anyonic statistics different from the usual fermionic or bosonic ones. With the emergence of these exotic point-like particles,…

Strongly Correlated Electrons · Physics 2025-07-31 Nico Kirchner , Roderich Moessner , Frank Pollmann , Adam Gammon-Smith

In three spatial dimensions, particles are limited to either bosonic or fermionic statistics. Two-dimensional systems, on the other hand, can support anyonic quasiparticles exhibiting richer statistical behaviours. An exciting proposal for…

Quantum Physics · Physics 2011-12-13 James R. Wootton , Ville Lahtinen , Benoit Doucot , Jiannis K. Pachos

We show that electrons acquire anyonic statistics if a two-dimensional electron gas is placed in proximity to a charged magnetic membrane. In this two-layered system, electrons become anyons through electromagnetic field mediated…

Strongly Correlated Electrons · Physics 2013-07-08 Siavosh R. Behbahani , Claudio Chamon , Emanuel Katz

Anyons, quasiparticles living in two-dimensional spaces with exotic exchange statistics, can serve as the fundamental units for fault-tolerant quantum computation. However, experimentally demonstrating anyonic statistics is a challenge due…

Quantum Physics · Physics 2016-05-06 Annie Jihyun Park , Emma McKay , Dawei Lu , Raymond Laflamme

In low-dimensional systems, indistinguishable particles can display statistics that interpolate between bosons and fermions. Signatures of these "anyons" have been detected in two-dimensional quasiparticle excitations of the fractional…

Statistical Mechanics · Physics 2021-11-15 Nathan M. Myers , Sebastian Deffner

In two-dimensions, the laws of physics even permit the existence of anyons which exhibit fractional statistics ranging continuously from bosonic to fermionic behaviour. They have been responsible for the fractional quantum Hall effect and…

Quantum Physics · Physics 2007-12-18 Jiang-Feng Du , Jing Zhu , Ming-Guang Hu , Jing-Ling Chen

The anyonic quantum walk is a dynamical model describing a single anyon propagating along a chain of stationary anyons and interacting via mutual braiding statistics. We review the recent results on the effects of braiding statistics in…

Quantum Physics · Physics 2013-05-20 Lauri J. Lehman , Vaclav Zatloukal , Jiannis K. Pachos , Gavin K. Brennen

We study the behaviour of linear and nonlinear spectroscopic quantities in two-dimensional topologically ordered systems, which host anyonic excitations exhibiting fractional statistics. We highlight the role that braiding phases between…

Strongly Correlated Electrons · Physics 2024-02-12 Max McGinley , Michele Fava , S. A. Parameswaran

Two-dimensional systems can host exotic particles called anyons whose quantum statistics are neither bosonic nor fermionic. For example, the elementary excitations of the fractional quantum Hall effect at filling factor $\nu=1/m$ (where m…

Mesoscale and Nanoscale Physics · Physics 2020-06-24 H. Bartolomei , M. Kumar , R. Bisognin , A. Marguerite , J. -M. Berroir , E. Bocquillon , B. Plaçais , A. Cavanna , Q. Dong , U. Gennser , Y. Jin , G. Fève

Fractional statistics give rise to quantum behaviors that differ fundamentally from those of bosons and fermions. While two-dimensional anyons play a major role in strongly correlated systems and topological quantum computing, the nature of…

Fractional quantum Hall states host emergent anyons with exotic exchange statistics, but obtaining direct access to their topological properties in real systems remains a challenge. Neural-network wavefunctions provide a flexible…

Strongly Correlated Electrons · Physics 2025-12-19 Andres Perez Fadon , David Pfau , James S. Spencer , Wan Tong Lou , Titus Neupert , W. M. C. Foulkes

Anyons have exotic statistical properties, fractional statistics, differing from Bosons and Fermions. They can be created as excitations of some Hamiltonian models. Here we present an experimental demonstration of anyonic fractional…

Quantum Physics · Physics 2013-08-14 Guanru Feng , Guilu Long , Raymond Laflamme

In fractional quantum Hall fluids, the quasiparticle excitations are anyons with fractional charges and statistics. Effective interactions among the anyons can be induced by either model or realistic electron-electron (e-e) interactions.…

Strongly Correlated Electrons · Physics 2025-12-12 Qianhui Xu , Guangyue Ji , Yuzhu Wang , Ha Quang Trung , Bo Yang

Anyons are quasiparticles with fractional statistics, bridging between fermions and bosons. We propose an experimental setup to measure the statistical angle of topological anyons emitted from a quantum point contact (QPC) source. The setup…

Raman-assisted hopping may be used to realize the anyon Hubbard model in one-dimensional optical lattices. We propose a feasible scenario that significantly improves the proposal of [T. Keilmann et al., Nature Commun. 2, 361 (2011)],…

Quantum Gases · Physics 2015-08-05 Sebastian Greschner , Luis Santos

It is well known that in two spatial dimensions the fractional quantum Hall effect (FQHE) deals with point-like anyons that carry fractional electric charge and statistics. Moreover, in presence of a SO(3) order parameter, point-like…

Mesoscale and Nanoscale Physics · Physics 2022-05-26 Giandomenico Palumbo

We demonstrate that identical impurities immersed in a two-dimensional many-particle bath can be viewed as flux-tube-charged-particle composites described by fractional statistics. In particular, we find that the bath manifests itself as an…

Quantum Gases · Physics 2018-07-04 Enderalp Yakaboylu , Mikhail Lemeshko