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Non-relativistic anyons in 1D possess generalized exchange statistics in which the exchange of two identical anyons generates a non-local phase that is governed by the spatial ordering of the particles and the statistical parameter…

Quantum Gases · Physics 2025-05-26 Raúl Hidalgo-Sacoto , Thomas Busch , D. Blume

Anyons are exotic quasiparticles obeying fractional statistics,whose behavior can be emulated in artificially designed spin systems.Here we present an experimental emulation of creating anyonic excitations in a superconducting circuit that…

Quantum Physics · Physics 2016-11-11 Y. P. Zhong , D. Xu , P. Wang , C. Song , Q. J. Guo , W. X. Liu , K. Xu , B. X. Xia , Chao-Yang Lu , Siyuan Han , Jian-Wei Pan , Haohua Wang

Two-component spinors are the basic ingredients for describing fermions in quantum field theory in four space-time dimensions. We develop and review the techniques of the two-component spinor formalism and provide a complete set of Feynman…

High Energy Physics - Phenomenology · Physics 2022-05-25 Herbi K. Dreiner , Howard E. Haber , Stephen P. Martin

In this work, we investigate the effects of a nontrivial topology (and geometry) of a system considering \textit{interacting} and \textit{noninteracting} particle modes, which are restricted to follow a closed path over the torus surface.…

Quantum Gases · Physics 2022-05-26 A. A. Araújo Filho , J. A. A. S. Reis , Subir Ghosh

To the working physicist, anyon theory is meant to describe certain quasi-particle excitations occurring in two dimensional topologically ordered systems. A typical calculation using this theory will involve operations such as $\otimes$ to…

Quantum Physics · Physics 2016-10-19 Simon Burton

Topological quantum computers promise a fault tolerant means to perform quantum computation. Topological quantum computers use particles with exotic exchange statistics called non-Abelian anyons, and the simplest anyon model which allows…

Quantum Physics · Physics 2018-06-08 Bernard Field , Tapio Simula

Physics from beyond the Standard Model, such as leptoquarks, can induce four fermion operators involving a quark, an anti-quark, a lepton and an anti-lepton. We update the (flavour dependent) constraints on the coefficients of such…

High Energy Physics - Phenomenology · Physics 2010-12-15 Michael Carpentier , Sacha Davidson

Strongly interacting topologically ordered many-body systems consisting of fermions or bosons can host exotic quasiparticles with anyonic statistics. This raises the question whether many-body systems of anyons can also form anyonic…

Strongly Correlated Electrons · Physics 2020-09-15 Julia Wildeboer , Aniket Patra , Sourav Manna , Anne E. B. Nielsen

Fermions and bosons are fundamental realizations of exchange statistics, which governs the probability for two particles being close to each other spatially. Anyons in the fractional quantum Hall effect are an example for exchange…

Mesoscale and Nanoscale Physics · Physics 2016-04-20 Bernd Rosenow , Ivan P. Levkivskyi , Bertrand I. Halperin

We study the dynamics of bosonic and fermionic anyons defined on a one-dimensional lattice, under the effect of Hamiltonians quadratic in creation and annihilation operators, commonly referred to as linear optics. These anyonic models are…

Quantum Physics · Physics 2020-12-25 Allan D. C. Tosta , Ernesto F. Galvão , Daniel J. Brod

In this study, we explore how a fermion-antifermion ($f\overline{f}$) pair interacts via an exponentially decaying potential. Using a covariant one-time two-body Dirac equation, we examine their relative motion in a three-dimensional flat…

Quantum Physics · Physics 2025-02-10 Abdullah Guvendi , Semra Gurtas Dogan , Omar Mustafa

Topological quantum computers provide a fault-tolerant method for performing quantum computation. Topological quantum computers manipulate topological defects with exotic exchange statistics called anyons. The simplest anyon model for…

Quantum Physics · Physics 2022-04-01 Yuanye Zhu

Indistinguishable particles in two dimensions can be characterized by anyonic quantum statistics more general than those of bosons or fermions. Such anyons emerge as quasiparticles in fractional quantum Hall states and certain frustrated…

Strongly Correlated Electrons · Physics 2009-11-02 Charlotte Gils , Simon Trebst , Alexei Kitaev , Andreas W. W. Ludwig , Matthias Troyer , Zhenghan Wang

We study the classical mechanics and dynamics of particles that retains some memory of quantum statistics. Our work builds on earlier work on the statistical mechanics and thermodynamics of such particles. Starting from the effective…

Quantum Physics · Physics 2025-11-21 Varsha Subramanyan , T. H. Hansson , Smitha Vishveshwara

I consider general interacting systems of quantum particles in one spatial dimension. These consist of bosons or fermions, which can have any number of components, arbitrary spin or a combination thereof, featuring low-energy two- and…

Quantum Gases · Physics 2020-11-09 Manuel Valiente

We discuss generalizations of quantum spin Hamiltonians using anyonic degrees of freedom. The simplest model for interacting anyons energetically favors neighboring anyons to fuse into the trivial (`identity') channel, similar to the…

Strongly Correlated Electrons · Physics 2007-05-23 Adrian Feiguin , Simon Trebst , Andreas W. W. Ludwig , Matthias Troyer , Alexei Kitaev , Zhenghan Wang , Michael H. Freedman

We describe a method for engineering local $k+1$-body interactions ($k=1,2,3$) from two-body couplings in spin-${1}{2}$ systems. When implemented in certain systems with a flat single-particle band with a unit Chern number, the resulting…

Strongly Correlated Electrons · Physics 2015-06-16 Eliot Kapit , Steven H. Simon

In recent years, fermionic topological phases of quantum matter has attracted a lot of attention. In a pioneer work by Gu, Wang and Wen, the concept of equivalence classes of fermionic local unitary(FLU) transformations was proposed to…

Strongly Correlated Electrons · Physics 2024-10-28 Jing-Ren Zhou , Qing-Rui Wang , Zheng-Cheng Gu

We prove upper and lower bounds on the ground-state energy of the ideal two-dimensional anyon gas. Our bounds are extensive in the particle number, as for fermions, and linear in the statistics parameter $\alpha$. The lower bounds extend to…

Mathematical Physics · Physics 2018-11-28 Douglas Lundholm , Robert Seiringer

A spin 1/2 system on a honeycomb lattice is studied. The interactions between nearest neighbors are of XX, YY or ZZ type, depending on the direction of the link; different types of interactions may differ in strength. The model is solved…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Alexei Kitaev