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Related papers: Decomposing Fractional Quantum Hall Wave Functions…

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We propose a derivative operator formed as a function of derivatives of the electron coordinates. When the derivative operator is applied to the Laughlin wave function, two new wave functions in the lowest Landau level at filling factor 1/2…

Strongly Correlated Electrons · Physics 2017-01-16 Jian Yang

A two-dimensional electron system exposed to a strong magnetic field produces a plethora of strongly interacting fractional quantum Hall (FQH) states, the complex topological orders of which are revealed through exotic emergent particles,…

Mesoscale and Nanoscale Physics · Physics 2025-07-29 Ke Huang , Ajit C. Balram , Hailong Fu , Chengqi Guo , Kenji Watanabe , Takashi Taniguchi , Jainendra K. Jain , Jun Zhu

Recently, generalizations of fractional quantum Hall (FQH) states known as fractional quantum anomalous Hall or, equivalently, fractional Chern insulators states have been realized in lattice models. Ideal wavefunctions such as the Laughlin…

Strongly Correlated Electrons · Physics 2015-03-20 Ching Hua Lee , Ronny Thomale , Xiao-Liang Qi

It was recently discovered that fractional quantum Hall (FQH) states can be classified by the way ground state wave functions go to zero when electrons are brought close together. Quasiparticles in the FQH states can be classified in a…

Mesoscale and Nanoscale Physics · Physics 2011-09-21 Maissam Barkeshli , Xiao-Gang Wen

By separating the Schr\"odinger equation for $N$ noninteracting spin-polarized fermions in two-dimensional hyperspherical coordinates, we demonstrate that fractional quantum Hall (FQH) states emerge naturally from degeneracy patterns of the…

Strongly Correlated Electrons · Physics 2015-09-30 K. M. Daily , R. E. Wooten , Chris H. Greene

The calculation of pair correlations and density profiles of quasiholes are routine steps in the study of proposed fractional quantum Hall states. Nevertheless, the field has not adopted a standard way to present the results of such…

Strongly Correlated Electrons · Physics 2023-06-07 Jørgen Fulsebakke , Mikael Fremling , Niall Moran , J. K. Slingerland

We show that the introduction of a more general closed-shell operator allows one to extend Laughlin's wave function to account for the richer hierarchies (1/3, 2/5, 3/7 ...; 1/5, 2/9, 3/13, ..., etc.) found experimentally. The construction…

Condensed Matter · Physics 2009-01-23 Joe Ginocchio , Wick Haxton

Advancing a microscopic framework that rigorously unveils the underlying topological hallmarks of fractional quantum Hall (FQH) fluids is a prerequisite for making progress in the classification of strongly-coupled topological matter. Here…

Strongly Correlated Electrons · Physics 2022-11-08 Arkadiusz Bochniak , Zohar Nussinov , Alexander Seidel , Gerardo Ortiz

The fractional quantum Hall (FQH) effect arises from strong electron correlations in a quantising magnetic field, and features exotic emergent phenomena such as electron fractionalisation. Using the diagrammatic Monte Carlo approach with…

Strongly Correlated Electrons · Physics 2026-03-16 Ben Currie , Evgeny Kozik

We demonstrate numerically that non-Abelian quasihole excitations of the $\nu = 5/2$ fractional quantum Hall state have some of the key properties necessary to support quantum computation. We find that as the quasihole spacing is increased,…

Mesoscale and Nanoscale Physics · Physics 2009-08-26 M. Baraban , G. Zikos , N. Bonesteel , S. H. Simon

We deduce a new set of symmetries and relations between the coefficients of the expansion of Abelian and Non-Abelian Fractional Quantum Hall (FQH) states in free (bosonic or fermionic) many-body states. Our rules allow to build an…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 B. Andrei Bernevig , N. Regnault

We propose a systematical approach to construct generic fractional quantum anomalous Hall (FQAH) states, which are generalizations of the fractional quantum Hall states to lattice models with zero net magnetic field and full lattice…

Strongly Correlated Electrons · Physics 2015-03-19 Xiao-Liang Qi

We generalize the fermion Chern-Simons theory for the Fractional Hall Effect (FQHE) which we developed before, to the case of bilayer systems. We study the complete dynamic response of these systems and predict the experimentally accessible…

Condensed Matter · Physics 2009-10-22 Ana Lopez , Eduardo Fradkin

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 provide a Mathematica code for decomposing strongly correlated quantum states described by a first-quantized, analytical wave function into many-body Fock states. Within them, the single-particle occupations refer to the subset of…

Strongly Correlated Electrons · Physics 2012-10-04 B. Juliá-Díaz , T. Graß

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 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

A novel hierarchy of fractional quantum Hall (FQH) states in the lowest Landau level (LL) is proposed to explain recently observed FQH fractions such as nu=5/13, 3/8, or 4/11. Based on the analysis of their interaction pseudopotentials, it…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Arkadiusz Wojs , Kyung-Soo Yi , John J. Quinn

Decomposing unitary operations into native gates is an essential step for implementing quantum algorithms. For qubit-based devices, where native gates are typically single- and two-qubit operations, a range of decomposition techniques have…

Quantum Physics · Physics 2025-10-10 Daniele Trisciani , Marco Cattaneo , Zoltán Zimborás

It is known that a subset of fractional quantum Hall wave functions has been expressed as conformal field theory (CFT) correlators, notably the Laughlin wave function at filling factor $\nu=1/m$ ($m$ odd) and its quasiholes, and the…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Hans Hansson , Chia-Chen Chang , Jainendra Jain , Susanne Viefers