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Related papers: Moore-Read state in Half-filled Moir\'e Chern band…

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We consider an interface separating the Moore-Read state and Halperin 331 state in a half filled Landau level, which can be realized in a double quantum well system with varying inter-well tunneling and/or interaction strength. We find in…

Strongly Correlated Electrons · Physics 2017-12-27 Kun Yang

We consider a two dimensional (2D) model of particles interacting in a Landau level. We work in a finite disk geometry and take the particles to interact with a linearly decreasing two-body Haldane pseudo-potential. We show that the ground…

Strongly Correlated Electrons · Physics 2019-08-21 Yahya Alavirad

We present the quantitative phase diagram of the bilayer bosonic fractional quantum Hall system on the torus geometry at total filling factor $\nu=1$ in the lowest Landau level. We consider short-range interactions within and between the…

Strongly Correlated Electrons · Physics 2016-03-11 Zhao Liu , Abolhassan Vaezi , Cécile Repellin , Nicolas Regnault

We use conformal field theory to construct model wavefunctions for a gapless interface between lattice versions of a bosonic Laughlin state and a fermionic Moore-Read state, both at $\nu=1/2$. The properties of the resulting model state,…

Strongly Correlated Electrons · Physics 2021-05-28 Błażej Jaworowski , Anne E. B. Nielsen

The rapid advances in the study of fractional Chern insulators (FCIs) raise a fundamental question: while initially discovered in flat Chern bands motivated by their topological equivalence to Landau levels, is single- particle band…

Strongly Correlated Electrons · Physics 2025-10-17 Hongyu Lu , Wang Yao

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

We construct a wavefunction, generalizing the well known Moore-Read Pfaffian, that describes spinless electrons at filling fraction nu=2/5 (or bosons at filling fraction nu=2/3) as the ground state of a very simple three body potential. We…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Steven H. Simon , E. H. Rezayi , N. R. Cooper , I. Berdnikov

Fractionally filled Chern bands with strong interactions may give rise to fractional Chern insulator (FCI) states, the zero-field analogue of the fractional quantum Hall effect. Recent experiments have demonstrated the existence of FCIs in…

Mesoscale and Nanoscale Physics · Physics 2024-08-15 Jiabin Yu , Jonah Herzog-Arbeitman , Minxuan Wang , Oskar Vafek , B. Andrei Bernevig , Nicolas Regnault

Motivated by recent experiments on correlated van der Waals materials, including twisted and rhombohedral graphene and twisted WSe$_2$, we perform an analytical and numerical study of the effects of strong on-site and short-range…

Strongly Correlated Electrons · Physics 2024-12-16 Patrick H. Wilhelm , Andreas M. Läuchli , Mathias S. Scheurer

We analyze transitions between quantum Hall ground states at prominent filling factors $\nu$ in the spherical geometry by tuning the width parameter of the Zhang-Das Sarma interaction potential. We find that incompressible ground states…

Strongly Correlated Electrons · Physics 2009-11-06 Z. Papić , N. Regnault , S. Das Sarma

The Moore-Read state, one of the leading candidates for describing the fractional quantum Hall effect at filling factor $\nu{=}5/2$, is a paradigmatic $p$-wave superconductor with non-Abelian topological order. Among its many exotic…

Strongly Correlated Electrons · Physics 2023-05-09 Songyang Pu , Ajit C. Balram , Mikael Fremling , Andrey Gromov , Zlatko Papić

Twisted bilayer MoTe$_2$ is a promising platform to investigate the interplay between band topology and many-body interaction. We present a theoretical study of its interaction-driven quantum phase diagrams based on a three-orbital model,…

Mesoscale and Nanoscale Physics · Physics 2023-11-16 Wen-Xuan Qiu , Bohao Li , Xun-Jiang Luo , Fengcheng Wu

Moir\'e systems have emerged in recent years as a rich platform to study strong correlations. Here, we will discuss a simple, experimentally feasible setup based on periodically strained graphene that reproduces several key aspects of…

Mesoscale and Nanoscale Physics · Physics 2022-11-03 Qiang Gao , Junkai Dong , Patrick Ledwith , Daniel Parker , Eslam Khalaf

The Many-Body Expansion (MBE) is a useful tool to simulate condensed phase chemical systems, often avoiding the steep computational cost of usual electronic structure methods. However, it often requires higher than 2-body terms to achieve…

Chemical Physics · Physics 2019-11-21 Srimukh Prasad Veccham , Joonho Lee , Martin Head-Gordon

Moire minibands in twisted homobilayer semiconductors can, under suitable approximations, be modeled as a pair of Landau levels with opposite Chern numbers. This provides a minimal model for searching novel topological states in a…

Strongly Correlated Electrons · Physics 2026-03-12 Guopeng Xu , Chunli Huang

We study the composite Charged Spin Texture (CST) over the Moore-Read quantum Hall state that arises when a collection of elementary CSTs are moved to the same location. Following an algebraic approach based on the characteristic pair…

Strongly Correlated Electrons · Physics 2013-10-24 J. C. Romers , K. Schoutens

Multicomponent quantum Hall systems with internal degrees of freedom provide a fertile ground for the emergence of exotic quantum liquids. Here we investigate the possibility of non-Abelian topological order in the half-filled fractional…

Strongly Correlated Electrons · Physics 2017-01-04 W. Zhu , Zhao Liu , F. D. M. Haldane , D. N. Sheng

We study quasiparticle tunneling between the edges of a non-Abelian topological state. The simplest examples are a p+ip superconductor and the Moore-Read Pfaffian non-Abelian fractional quantum Hall state; the latter state may have been…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Paul Fendley , Matthew P. A. Fisher , Chetan Nayak

Motivated by the physics of the Moore-Read \nu = 1/2 state away from half-filling, we investigate collective states of non-abelian e/4 quasiparticles in a magnetic field. We consider two types of collective states: incompressible liquids…

Mesoscale and Nanoscale Physics · Physics 2011-08-26 Michael Levin , Bertrand I. Halperin

In this letter we propose an interferometric experiment to detect non-Abelian quasiparticle statistics -- one of the hallmark characteristics of the Moore-Read state expected to describe the observed FQHE plateau at nu=5/2. The implications…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Parsa Bonderson , Alexei Kitaev , Kirill Shtengel