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A fundamental pillar of quantum mechanics concerns indistinguishable quantum particles. In three dimensions they may be classified into fermions or bosons, having, respectively, antisymmetric or symmetric wave functions under particle…

Statistical Mechanics · Physics 2019-02-04 Simone Barbarino , Rosario Fazio , Vlatko Vedral , Yuval Gefen

We study the (pseudo-) anyon Hubbard model on a one-dimensional lattice without the presence of a three-body hardcore constraint. In particular, for the pseudo-fermion limit of a large statistical angle $\theta\approx\pi$, we observe a…

Quantum Gases · Physics 2017-05-30 Wanzhou Zhang , Sebastian Greschner , Ernv Fan , Tony C Scott , Yunbo Zhang

In a Laughlin fractional quantum Hall state, one- and two-quasihole states can be obtained by diagonalizing the many-body Hamiltonian with a trapping potential or, for larger systems, from the linear combination of the edge Jack…

Strongly Correlated Electrons · Physics 2022-06-15 Jie Li , Dan Ye , Chen-Xin Jiang , Na Jiang , Xin Wan , Zi-Xiang Hu

We study how quantum states are scrambled via braiding in systems of non-Abelian anyons through the lens of entanglement spectrum statistics. In particular, we focus on the degree of scrambling, defined as the randomness produced by…

Strongly Correlated Electrons · Physics 2019-01-21 Zhi-Cheng Yang , Konstantinos Meichanetzidis , Stefanos Kourtis , Claudio Chamon

We propose and analyze the effect of anyonic interferometers that are designed such that the probe anyons traveling in a given path through the interferometer twist or braid around each other. These "twisted" interferometers are found to…

Quantum Physics · Physics 2013-06-12 Parsa Bonderson , Lukasz Fidkowski , Michael Freedman , Kevin Walker

Synthetic anyons can be implemented in a noninteracting many-body system, by using specially tailored localized (physical) probes, which supply the demanded nontrivial topology in the system. We consider the Hamiltonian for noninteracting…

Strongly Correlated Electrons · Physics 2021-04-07 Frane Lunić , Marija Todorić , Bruno Klajn , Tena Dubček , Dario Jukić , Hrvoje Buljan

Quantum spin liquids realized in the Kitaev model offer a platform for fractionalization of spin into two quasiparticles: itinerant Majoranas and localized visons. Introducing a uniform weak magnetic field associates a Majorana zero mode…

Strongly Correlated Electrons · Physics 2025-04-23 Chihiro Harada , Atsushi Ono , Joji Nasu

We demonstrate the semiclassical nature of symmetry twist defects that differ from quantum deconfined anyons in a true topological phase by examining non-abelian crystalline defects in an abelian lattice model. An underlying non-dynamical…

Strongly Correlated Electrons · Physics 2014-09-30 Jeffrey C. Y. Teo , Abhishek Roy , Xiao Chen

Anyons and fractional statistics are by now well established in two-dimensional systems. In one dimension, fractional statistics has been established so far only through Haldane's fractional exclusion principle, but not via a fractional…

Quantum Physics · Physics 2009-02-12 Martin Greiter

Stabilizer codes allow for non-local encoding and processing of quantum information. Deformations of stabilizer surface codes introduce new and non-trivial geometry, in particular leading to emergence of long sought after objects known as…

Quantum Physics · Physics 2023-04-26 Yuri D. Lensky , Kostyantyn Kechedzhi , Igor Aleiner , Eun-Ah Kim

Elementary excitations in highly entangled states such as quantum spin liquids may exhibit exotic statistics, different from those obeyed by fundamental bosons and fermions. Excitations called non-Abelian anyons are predicted to exist in a…

Strongly Correlated Electrons · Physics 2019-06-11 Jacob S. Gordon , Andrei Catuneanu , Erik S. Sørensen , Hae-Young Kee

Topological quantum computation has recently emerged as one of the most exciting approaches to constructing a fault-tolerant quantum computer. The proposal relies on the existence of topological states of matter whose quasiparticle…

Strongly Correlated Electrons · Physics 2009-11-13 Chetan Nayak , Steven H. Simon , Ady Stern , Michael Freedman , Sankar Das Sarma

I review the quantum kinematics of identical particles, which suggests new possibilities, beyond bosons and fermions, in 2+1 dimensions; and how simple flux-charge constructions embody the new possibilities, leading to both abelian and…

High Energy Physics - Theory · Physics 2015-05-13 Frank Wilczek

Majorana fermions subject to the non-Abelian braid group are believed to be the basic ingredients of future topological quantum computations. In this work, we propose to simulate Majorana fermions of the Kitaev model in electric circuits…

Mesoscale and Nanoscale Physics · Physics 2020-08-13 Motohiko Ezawa

According to a basic rule of fermionic and bosonic many-body physics, known as the linked cluster theorem, physical observables are not affected by vacuum bubbles, which represent virtual particles created from vacuum and self-annihilating…

Mesoscale and Nanoscale Physics · Physics 2016-07-19 Cheolhee Han , Jinhong Park , Yuval Gefen , H. -S. Sim

Anyons are particles obeying statistics of neither bosons nor fermions. Non-Abelian anyons, whose exchanges are described by a non-Abelian group acting on a set of wave functions, are attracting a great attention because of possible…

Superconductivity · Physics 2023-10-18 Yusuke Masaki , Takeshi Mizushima , Muneto Nitta

Non-Abelian topological orders offer an intriguing path towards fault-tolerant quantum computation, where information can be encoded and manipulated in a topologically protected manner immune to arbitrary local noises and perturbations.…

Harnessing non-abelian statistics of anyons to perform quantum computational tasks is getting closer to reality. While the existence of universal anyons by braiding alone such as the Fibonacci anyon is theoretically a possibility,…

Quantum Physics · Physics 2015-11-20 Shawn X. Cui , Seung-Moon Hong , Zhenghan Wang

Parafermions are non-Abelian anyons which generalize Majorana fermions and hold great promise for topological quantum computation. We study the braiding of $\mathbb{Z}_{2n}$ parafermions which have been predicted to emerge as bound states…

Strongly Correlated Electrons · Physics 2020-01-22 Solofo Groenendijk , Alessio Calzona , Hugo Tschirhart , Edvin G. Idrisov , Thomas L. Schmidt

The experimental discovery of the fractional Hall conductivity in two-dimensional electron gases revealed new types of quantum particles, called anyons, which are beyond bosons and fermions as they possess fractionalized exchange…

Strongly Correlated Electrons · Physics 2021-09-14 Yan-Cheng Wang , Meng Cheng , William Witczak-Krempa , Zi Yang Meng