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Related papers: Quantum Hall hierarchy from coupled wires

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A theory is developed for the paired even-denominator fractional quantum Hall states in the lowest Landau level. We show that electrons bind to quantized vortices to form composite fermions, interacting through an exact instantaneous…

Strongly Correlated Electrons · Physics 2015-05-14 Yuan-Ming Lu , Yue Yu , Ziqiang Wang

We demonstrate the emergence of the quantum Hall (QH) hierarchy in a 2D model of coupled quantum wires in a perpendicular magnetic field. At commensurate values of the magnetic field, the system can develop instabilities to appropriate…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 C. L. Kane , Ranjan Mukhopadhyay , T. C. Lubensky

In a recent proposal of the half-filled Landau level, the composite fermions are taken to be Dirac particles and particle-hole symmetric. Cooper pairing of these composite fermions in different angular momentum channels, $\ell$, can give…

Strongly Correlated Electrons · Physics 2016-10-18 Zhiqiang Wang , Sudip Chakravarty

We theoretically investigate the nature of the state at quarter filled lowest Landau level and predict that, as the quantum well width is increased, a transition occurs from the composite fermion Fermi sea into a novel non-Abelian…

Strongly Correlated Electrons · Physics 2019-07-10 William N. Faugno , Ajit C. Balram , Maissam Barkeshli , Jainendra K. Jain

We present a theoretical study of the interplay between topological p-wave superconductivity, orbital magnetic fields and quantum Hall phases in coupled wire systems. First, we calculate the phase diagram and physical observables of a…

Strongly Correlated Electrons · Physics 2020-02-19 Fan Yang , Vivien Perrin , Alexandru Petrescu , Ion Garate , Karyn Le Hur

Coupled-wire constructions have been widely applied to quantum Hall systems and symmetry-protected topological (SPT) phases. In this Letter, we use the coupled one-dimensional nonchiral Luttinger liquids with domain-wall structured mass…

Strongly Correlated Electrons · Physics 2022-07-26 Jian-Hao Zhang

A composite Fermion hierarchy theory is constructed in a way related to the original Haldane picture by applying the composite Fermion (CF) transformation to quasiparticles of Jain states. It is shown that the Jain theory coincides with the…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 P. Sitko , K. -S. Yi , J. J. Quinn

We show that a modified version of Son's Dirac composite fermion theory proposed by Seiberg et al gives a candidate unified description of the gapped and gapless fractional quantum Hall states within a single Landau level. Our main tool is…

High Energy Physics - Theory · Physics 2024-12-24 Kristan Jensen , Amir Raz

We derive the effective Hamiltonian for the composite fermion in double-layer quantum Hall systems with inter-layer tunneling at total Landau-level filling factor $\nu=1/m$, where $m$ is an integer. We find that the ground state is the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Takao Morinari

We propose and study systems of coupled atomic wires in a perpendicular synthetic magnetic field as a platform to realize exotic phases of quantum matter. This includes (fractional) quantum Hall states in arrays of many wires inspired by…

Quantum Gases · Physics 2017-04-25 J. C. Budich , A. Elben , M. Łącki , A. Sterdyniak , M. A. Baranov , P. Zoller

Quantum Hall systems offer the most familiar setting where strong inter-particle interactions combine with the topology of single particle states to yield novel phenomena. Despite our mature understanding of these systems, an open challenge…

Mesoscale and Nanoscale Physics · Physics 2022-03-02 Hart Goldman , T. Senthil

The Pfaffian phase of electrons in the proximity of a half-filled Landau level is understood to be a p+ip superconductor of composite fermions. We consider the properties of this paired quantum Hall phase when the pairing scale is small,…

Strongly Correlated Electrons · Physics 2011-06-27 S. A. Parameswaran , S. A. Kivelson , S. L. Sondhi , B. Z. Spivak

We study a quantum Hall bilayer system of bosons at total filling factor $\nu = 1$, and study the phase that results from short ranged pair-tunneling combined with short ranged interlayer interactions. We introduce two exactly solvable…

Mesoscale and Nanoscale Physics · Physics 2014-12-10 Gunnar Möller , Layla Hormozi , Joost Slingerland , Steven H. Simon

We study the interplay of particle-hole symmetry and fermion-vortex duality in multicomponent half-filled Landau levels, such as quantum Hall gallium arsenide bilayers and graphene. For the $\nu{=}1/2{+}1/2$ bilayer, we show that…

Strongly Correlated Electrons · Physics 2017-03-01 Inti Sodemann , Itamar Kimchi , Chong Wang , T. Senthil

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 predict that an incompressible fractional quantum Hall state is likely to form at $\nu=3/8$ as a result of a chiral p-wave pairing of fully spin polarized composite fermions carrying four quantized vortices, and that the pairing is of…

Strongly Correlated Electrons · Physics 2015-06-05 Sutirtha Mukherjee , Sudhansu S. Mandal , Arkadiusz Wójs , J. K. Jain

I demonstrate that the wavefunction for a nu = n+ tilde{nu} quantum Hall state with Landau levels 0,1,...,n-1 filled and a filling fraction tilde{nu} quantum Hall state with 0 < tilde{nu} \leq 1 in the nth Landau level can be obtained…

Mesoscale and Nanoscale Physics · Physics 2012-02-10 Parsa Bonderson

Atomic vapors can be prepared and manipulated at very low densities and temperatures. When they are rotating, they can reach a quantum Hall regime in which there should be manifestations of the fractional quantum Hall effect. We discuss the…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 N. Regnault , Th. Jolicoeur

Laughlin's wave functions, describing the fractional quantum Hall effect at filling factors $\nu=1/(2k+1)$, can be obtained as correlation functions in conformal field theory, and recently this construction was extended to Jain's composite…

Mesoscale and Nanoscale Physics · Physics 2008-12-22 E. J. Bergholtz , T. H. Hansson , M. Hermanns , A. Karlhede , S. Viefers

We construct a coupled wire model for a sequence of non-Abelian quantum Hall states occurring at filling factors $\nu=2/(2M+q)$ with integers $M$ and even(odd) integers $q$ for fermionic(bosonic) states. They are termed $Z_2 \times Z_2$…

Strongly Correlated Electrons · Physics 2020-03-11 Pok Man Tam , Yichen Hu , Charles L. Kane
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