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We generalize the fractional quantum Hall hierarchy picture to apply to arbitrary, possibly non-Abelian, fractional quantum Hall states. Applying this to the nu = 5/2 Moore-Read state, we construct new explicit trial wavefunctions to…

Mesoscale and Nanoscale Physics · Physics 2008-09-29 Parsa Bonderson , J. K. Slingerland

The wave functions of the Haldane-Rezayi paired Hall state have been previously described by a non-unitary conformal field theory with central charge c=-2. Moreover, a relation with the c=1 unitary Weyl fermion has been suggested. We…

High Energy Physics - Theory · Physics 2009-10-31 A. Cappelli , L. S. Georgiev , I. T. Todorov

Rotationally invariant fractional quantum Hall (FQH) states have long been understood in terms of composite bosons or composite fermions. Recent investigations of both incompressible and compressible states in highly tilted fields, which…

Strongly Correlated Electrons · Physics 2013-10-24 Ganpathy Murthy

We study the quantum anomalous Hall effect described by a class of two-component Haldane models on square lattices. We show that the latter can be transformed into a pseudospin triplet p+ip-wave paired superfluid. In the long wave length…

Strongly Correlated Electrons · Physics 2015-03-17 Xuele Liu , Ziqiang Wang , X. C. Xie , Yue Yu

We consider the fractional quantum Hall effect (FQHE) at the filling factor $8/17$, where signatures of incompressibility have been observed in the zeroth Landau level of bilayer graphene. We propose an Abelian state described by the…

Strongly Correlated Electrons · Physics 2024-08-27 Ajit C. Balram , Nicolas Regnault

Some fractional quantum Hall states observed in experiments may be described by first-quantized wavefunctions with special clustering properties like the Moore-Read Pfaffian for filling factor nu = 5/2. This wavefunction has been…

Mesoscale and Nanoscale Physics · Physics 2016-08-14 M. V. Milovanović , Th. Jolicœur , I. Vidanović

We investigate, with the help of Monte-Carlo and exact-diagonalization calculations in the spherical geometry, several compressible and incompressible candidate wave functions for the recently observed quantum Hall state at the filling…

Mesoscale and Nanoscale Physics · Physics 2009-09-04 Z. Papic , G. Moller , M. V. Milovanovic , N. Regnault , M. O. Goerbig

We show that the so-called permanent quantum Hall states are formed by the integer quantum Hall effects on the Haldane-Rezayi quantum Hall state. Novel conformal field theory description along with this picture is deduced. The odd…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Kazusumi Ino

We study the edge transport properties of paired fractional quantum Hall (FQH) states--- the Haldane-Rezayi (HR), Moore-Read (Pfaffian) and Halperin (331) states. A table of exponents is given for the tunneling between the edges of paired…

Condensed Matter · Physics 2009-10-31 Ken-ichiro Imura , Kazusumi Ino

Fractional quantum Hall (FQH) states are topologically ordered which indicates that their essential properties are insensitive to smooth deformations of the manifold on which they are studied. Their microscopic Hamiltonian description,…

Strongly Correlated Electrons · Physics 2011-01-06 Emil J. Bergholtz , Masaaki Nakamura , Juha Suorsa

We provide a detailed description of a new symmetry structure of the monomial (Slater) expansion coefficients of bosonic (fermionic) fractional quantum Hall states first obtained in Ref. 1, which we now extend to spin-singlet states. We…

Strongly Correlated Electrons · Physics 2015-05-20 Ronny Thomale , Benoit Estienne , Nicolas Regnault , B. Andrei Bernevig

We study the non-abelian statistics characterizing systems where counter-propagating gapless modes on the edges of fractional quantum Hall states are gapped by proximity-coupling to superconductors and ferromagnets. The most transparent…

Mesoscale and Nanoscale Physics · Physics 2012-11-27 Netanel H. Lindner , Erez Berg , Gil Refael , Ady Stern

Herein, we introduce the framework of gauge invariant variables to describe fractional quantum Hall (FQH) states, and prove that the wavefunction can always be represented by a unique holomorphic multi-variable complex function. As a…

Strongly Correlated Electrons · Physics 2020-11-04 YingKang Chen , Rudro R. Biswas

We construct a model of spin-Hall effect on a noncommutative 4 sphere with isospin degrees of freedom (coming from a noncommutative instanton) and invariance under a quantum orthogonal group. The corresponding representation theory allows…

High Energy Physics - Theory · Physics 2009-11-11 Giovanni Landi

The quasiparticle propagator of Haldane-Rezayi(HR) fractional quantum Hall (FQH) state is calculated, based on a chiral fermion model (or a Weyl fermion model) equipped with a hidden spin SU(2) symmetry. The spectrum of the chiral fermion…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 Jen-Chi Lee , Xiao-Gang Wen

Fractional quantum Hall-superconductor heterostructures may provide a platform towards non-abelian topological modes beyond Majoranas. However their quantitative theoretical study remains extremely challenging. We propose and implement a…

Strongly Correlated Electrons · Physics 2018-05-08 C. Repellin , A. M. Cook , T. Neupert , N. Regnault

The observation of the fractional quantum Hall (FQH) effect in 2D electron gases ushered in investigations of topological phases driven by strong electron correlations. Their remarkable features include fractionalized elementary…

Wave functions describing quasiholes and electrons in nonabelian quantum Hall states are well known to correspond to conformal blocks of certain coset conformal field theories. In this paper we explicitly analyse the algebraic structure…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 J. K. Slingerland , F. A. Bais

Strongly correlated fractional quantum Hall liquids support fractional excitations, which can be understood in terms of adiabatic flux insertion arguments. A second route to fractionalization is through the coupling of weakly interacting…

Strongly Correlated Electrons · Physics 2013-09-04 Armin Rahmani , Rodrigo A. Muniz , Ivar Martin

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