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Existing quantum Hall interferometers measure twice the braiding phase, $e^{i2\theta}$, of Abelian anyons, i.e. the phase accrued when one quasi-particle encircles another clockwise. We propose a modified Fabry-P\'{e}rot or Mach-Zehnder…

Mesoscale and Nanoscale Physics · Physics 2025-09-03 Steven A. Kivelson , Chaitanya Murthy

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

In this thesis I develop a formalism whereby a tensor network may be understood in terms of a unitary braided tensor category, and represented in a particularly efficient manner corresponding to the exploitation of this mathematical…

Strongly Correlated Electrons · Physics 2012-02-13 Robert N. C. Pfeifer

The braiding operations of quantum states have attracted substantial attention due to their great potential for realizing topological quantum computations. In this paper, we show that a three-fold degenerate eigen subspace can be obtained…

A fast method is presented for computing the topological entropy of braids on the torus. This work is motivated by the need to analyze large braids when studying two-dimensional flows via the braiding of a large number of particle…

Chaotic Dynamics · Physics 2007-12-12 Matthew D. Finn , Jean-Luc Thiffeault

Braiding is a geometric concept that manifests itself in a variety of scientific contexts from biology to physics, and has been employed to classify bulk band topology in topological materials. Topological edge states can also form braiding…

Mesoscale and Nanoscale Physics · Physics 2024-07-10 Yang Long , Zihao Wang , Chen Zhang , Haoran Xue , Yuxin Zhao , Baile Zhang

In topologically ordered quantum states of matter in 2+1D (space-time dimensions), the braiding statistics of anyonic quasiparticle excitations is a fundamental characterizing property which is directly related to global transformations of…

Strongly Correlated Electrons · Physics 2014-09-15 Shenghan Jiang , Andrej Mesaros , Ying Ran

The ground states encode the information of the topological phases of a 2-dimensional system, which makes them crucial in determining the associated topological quantum field theory (TQFT). Most numerical methods for detecting the TQFT…

Strongly Correlated Electrons · Physics 2022-12-21 Zhuan Li , Roger S. K. Mong

Anyon condensation forms a mechanism which allows to relate different topological phases. We study anyon condensation in the framework of Projected Entangled Pair States (PEPS) where topological order is characterized through local…

Strongly Correlated Electrons · Physics 2017-06-21 Kasper Duivenvoorden , Mohsin Iqbal , Jutho Haegeman , Frank Verstraete , Norbert Schuch

A great part of the mathematical foundations of topological quantum computation is given by the theory of modular categories which provides a description of the topological phases of matter such as anyon systems. In the near future the…

General Mathematics · Mathematics 2018-10-09 Juan Ospina

Anyons exhibit a non-trivial interplay between local exclusion rules and non-local braiding and exchange phases, making a consistent commutation algebra and second-quantized formulation challenging. We develop an algebraic framework for…

Strongly Correlated Electrons · Physics 2026-05-07 Priyanshi Bhasin , Diptiman Sen , Tanmoy Das

The topological model for quantum computation is an inherently fault-tolerant model built on anyons in topological phases of matter. A key role is played by the braid group, and in this survey we focus on a selection of ways that the…

Quantum Physics · Physics 2022-08-26 Eric C. Rowell

The low-energy dynamics of two-dimensional topological matter hinges on its one-dimensional edge modes. Tunneling between fractional quantum Hall edge modes facilitates the study of anyonic statistics: it induces time-domain braiding that…

Mesoscale and Nanoscale Physics · Physics 2025-07-25 Gu Zhang , Igor Gornyi , Yuval Gefen

It is well known that the abelian $Z_2$ anyonic model (toric code) can be realized on a highly entangled two-dimensional spin lattice, where the anyons are quasiparticles located at the endpoints of string-like concatenations of Pauli…

Statistical Mechanics · Physics 2008-11-05 James R. Wootton , Ville Lahtinen , Zhenghan Wang , Jiannis K. Pachos

We study the properties of entanglement in two-dimensional topologically ordered phases of matter. Such phases support anyons, quasiparticles with exotic exchange statistics. The emergent nonlocal state spaces of anyonic systems admit a…

Quantum Physics · Physics 2017-10-17 Parsa Bonderson , Christina Knapp , Kaushal Patel

We consider universal statistical properties of systems that are characterized by phase states with macroscopic degeneracy of the ground state. A possible topological order in such systems is described by non-linear discrete equations. We…

Strongly Correlated Electrons · Physics 2007-06-06 Luigi Martina , Alexander Protogenov , Valery Verbus

We use Projected Entangled Pair States (PEPS) to study topological quantum phase transitions. The local description of topological order in the PEPS formalism allows us to set up order parameters which measure condensation and deconfinement…

Strongly Correlated Electrons · Physics 2018-05-21 Mohsin Iqbal , Kasper Duivenvoorden , Norbert Schuch

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

We proposed an entangled multi-knot lattice model to explore the exotic statistics of anyon. This knot lattice model bears abelian and non-abelian anyons as well as integral and fractional filling states that is similar to quantum Hall…

Strongly Correlated Electrons · Physics 2019-03-06 Tieyan Si

The relationships between quantum entangled states and braid matrices have been well studied in recent years. However, most of the results are based on qubits. In this paper, We investigate the applications of 2-qutrit entanglement in the…

Quantum Physics · Physics 2017-03-08 Li-Wei Yu , Mo-Lin Ge