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It has been shown that different Abelian and non-Abelian fraction quantum Hall states can be characterized by patterns of zeros described by sequences of integers {S_a}. In this paper, we will show how to use the data {S_a} to calculate…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Xiao-Gang Wen , Zhenghan Wang

Identifying and understanding interacting systems that can host non-Abelian topological phases with fractionalized quasiparticles have attracted intense attentions in the past twenty years. Theoretically, it is possible to realize a rich…

Strongly Correlated Electrons · Physics 2015-09-01 W. Zhu , S. S. Gong , D. N. Sheng , L. Sheng

Recent theoretical insights into the possibility of non-Abelian phases in $\nu=2/3$ fractional quantum Hall states revived the interest in the numerical phase diagram of the problem. We investigate the effect of various kinds of two-body…

Strongly Correlated Electrons · Physics 2015-08-12 Zhao Liu , Abolhassan Vaezi , Kyungmin Lee , Eun-Ah Kim

While the internal structure of Abelian topological order is well understood, how to characterize the non-Abelian topological order is an outstanding issue. We propose a distinctive scheme based on the many-body Chern number matrix to…

Strongly Correlated Electrons · Physics 2022-03-23 Tian-Sheng Zeng , W. Zhu

Adiabatic $U(2)$ geometric phases are studied for arbitrary quantum systems with a three-dimensional Hilbert space. Necessary and sufficient conditions for the occurrence of the non-Abelian geometrical phases are obtained without actually…

Quantum Physics · Physics 2008-11-26 Ali Mostafazadeh

The recent proposal of non-Abelian boson-fermion dualities in 2+1 dimensions, which morally relate $U(k)_N$ to $SU(N)_{-k}$ Chern-Simons-matter theories, presents a new platform for exploring the landscape of non-Abelian quantum Hall states…

Strongly Correlated Electrons · Physics 2020-12-03 Hart Goldman , Ramanjit Sohal , Eduardo Fradkin

Fractional quantum Hall states have been observed at filling factor $\nu=3/4$ in GaAs hole system and bilayer graphene. In theoretical bootstrap analysis, it was revealed that non-Abelian topological orders with Ising anyons can be realized…

Strongly Correlated Electrons · Physics 2026-02-24 Kai-Wen Huang , Ying-Hai Wu

We introduce a self-consistent framework for the analysis of both Abelian and non-Abelian geometric phases associated with open quantum systems, undergoing cyclic adiabatic evolution. We derive a general expression for geometric phases,…

Quantum Physics · Physics 2007-05-23 M. S. Sarandy , D. A. Lidar

The non-Abelian topological order has attracted a lot of attention for its fundamental importance and exciting prospect of topological quantum computation. However, explicit demonstration or identification of the non-Abelian states and the…

Strongly Correlated Electrons · Physics 2015-10-14 W. Zhu , S. S. Gong , F. D. M. Haldane , D. N. Sheng

By applying the idea of parafermionic clustering to composite bosons with positive as well as negative flux, a new series of trial wavefunctions to describe fractional quantum Hall states is proposed. These non-Abelian states compete at…

Mesoscale and Nanoscale Physics · Physics 2010-03-18 Thierry Jolicoeur

We show how to numerically calculate several quantities that characterize topological order starting from a microscopic fractional quantum Hall (FQH) Hamiltonian. To find the set of degenerate ground states, we employ the infinite density…

Strongly Correlated Electrons · Physics 2013-06-19 Michael P. Zaletel , Roger S. K. Mong , Frank Pollmann

We propose a family of Abelian quantum Hall states termed the non-diagonal states, which arise at filling factors $\nu=p/2q$ for bosonic systems and $\nu=p/(p+2q)$ for fermionic systems, with $p$ and $q$ being two coprime integers.…

Strongly Correlated Electrons · Physics 2021-02-03 Pok Man Tam , Charles L. Kane

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

A large class of fractional quantum Hall (FQH) states can be classified according to their pattern of zeros, which describes the order of zeros in ground state wave functions as various clusters of electrons are brought together. The…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Maissam Barkeshli , Xiao-Gang Wen

We construct a family of two-dimensional non-Abelian topological phases from coupled wires using a non-Abelian bosonization approach. We then demonstrate how to determine the nature of the non-Abelian topological order (in particular, the…

Strongly Correlated Electrons · Physics 2019-06-25 Thomas Iadecola , Titus Neupert , Claudio Chamon , Christopher Mudry

The fractional quantum Hall effect is the paradigmatic example of topologically ordered phases. One of its most fascinating aspects is the large variety of different topological orders that may be realized, in particular nonabelian ones.…

Strongly Correlated Electrons · Physics 2017-12-13 Yoran Tournois , Maria Hermanns

Through a theoretical coupled wire model, we construct strongly correlated electronic \emph{integer} quantum Hall states. As a distinguishing feature, these states support electric and thermal Hall transport violating the Wiedemann-Franz…

Strongly Correlated Electrons · Physics 2019-08-14 Pedro L. S. Lopes , V. L. Quito , Bo Han , Jeffrey C. Y. Teo

We study non-Abelian fractional quantum Hall state in double layer systems at total filling factor $1/2$. Recent progresses in two-dimensional van der Waals materials made it possible to explore the regime with very small interlayer…

Strongly Correlated Electrons · Physics 2025-02-24 Xiang-Jian Hou , Lei Wang , Ying-Hai Wu

Quantum Hall states - the progenitors of the growing family of topological insulators -- are rich source of exotic quantum phases. The nature of these states is reflected in the gapless edge modes, which in turn can be classified as integer…

Mesoscale and Nanoscale Physics · Physics 2022-01-19 Bivas Dutta , Wenmin Yang , Ron Aharon Melcer , Hemanta Kumar Kundu , Moty Heiblum , Vladimir Umansky , Yuval Oreg , Ady Stern , David Mross

Noncollinear magnetic order is typically characterized by a "tetrad" ground state manifold (GSM) of three perpendicular vectors or nematic-directors. We study three types of tetrad orders in two spatial dimensions, whose GSMs are SO(3) =…

Strongly Correlated Electrons · Physics 2013-05-30 Cenke Xu , Andreas W. W. Ludwig
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