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Related papers: A Matrix Model for Fractional Quantum Hall States

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The unexpected appearance of a fractional quantum Hall effect (FQHE) plateau at $\nu=2+6/13$~ [Kumar \emph{et al.}, Phys. Rev. Lett. {\bf 105}, 246808 (2010)] offers a clue into the physical mechanism of the FQHE in the second Landau level…

Strongly Correlated Electrons · Physics 2018-11-05 Ajit C. Balram , Sutirtha Mukherjee , Kwon Park , Maissam Barkeshli , Mark S. Rudner , J. K. Jain

We find the Laughlin states of the electrons on the Poincare half-plane in different representations. In each case we show that there exist a quantum group $su_q(2)$ symmetry such that the Laughlin states are a representation of it. We…

High Energy Physics - Theory · Physics 2016-09-06 M. Alimohammadi , H. Mohseni Sadjadi

We show that the set of double-layer Fractional Quantum Hall (FQH) states with a given topological order form a finite Abelian group under a new product. This group structure makes it possible to construct new FQH states from known ones. We…

Strongly Correlated Electrons · Physics 2015-02-02 Ali Nassar

Motivated by two independent experiments revealing a resistance minimum at the Landau level (LL) filling factor $\nu=2+4/9$, characteristic of the fractional quantum Hall effect (FQHE) and suggesting electron condensation into a yet unknown…

Strongly Correlated Electrons · Physics 2020-08-19 Ajit C. Balram , A. Wójs

Fractional quantum Hall states (FQHSs) exemplify exotic phases of low-disorder two-dimensional (2D) electron systems when electron-electron interaction dominates over the thermal and kinetic energies. Particularly intriguing among the FQHSs…

Mesoscale and Nanoscale Physics · Physics 2022-10-10 Chengyu Wang , A. Gupta , S. K Singh , Y. J. Chung , L. N. Pfeiffer , K. W. West , K. W. Baldwin , R. Winkler , M. Shayegan

Within the newly formulated composite fermion hierarchy the filling fraction of a spherical quantum Hall system is obtained when it can be expressed as an odd or even denominator fraction. A plot of $\nu\frac{2S}{N-1}$ as a function of $2S$…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 P. Sitko , J. J. Quinn , D. C. Marinescu

We study the quantum Hall states that appear in the dilute limit of rotating ultracold fermionic gases when a single hyperfine species is present. We show that the p-wave scattering translates into a pure hard-core interaction in the lowest…

Other Condensed Matter · Physics 2009-11-10 Thierry Jolicoeur , Nicolas Regnault

Strongly interacting topological matter exhibits fundamentally new phenomena with potential applications in quantum information technology. Emblematic instances are fractional quantum Hall states, where the interplay of magnetic fields and…

We develop a matrix model to describe bilayered quantum Hall fluids for a series of filling factors. Considering two coupling layers, and starting from a corresponding action, we construct its vacuum configuration at \nu=q_iK_{ij}^{-1}q_j,…

High Energy Physics - Theory · Physics 2008-11-26 Ahmed Jellal , Michael Schreiber

We numerically compute the guiding center static structure factor $\bar S(\bf k)$ of various fractional quantum Hall (FQH) states to $\mathcal{O}\left((k\ell)^6\right)$ where $k$ is the wavenumber and $\ell$ is the magnetic length.…

Strongly Correlated Electrons · Physics 2024-05-01 Prashant Kumar , F. D. M. Haldane

In the extreme quantum limit, when the Landau level filling factor $\nu<1$, the dominant electron-electron interaction in low-disorder two-dimensional electron systems leads to exotic many-body phases. The ground states at even-denominator…

Mesoscale and Nanoscale Physics · Physics 2025-02-26 Chengyu Wang , P. T. Madathil , S. K. Singh , A. Gupta , Y. J. Chung , L. N. Pfeiffer , K. W. Baldwin , M. Shayegan

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

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

Eigenstates of the FQHE hamiltonian problem after to be projected on the LLL are determined for filling factors 1/q, with q an odd number. The solutions are found for an infinite class of finite samples in which the Coulomb potential is…

Mesoscale and Nanoscale Physics · Physics 2009-09-17 Alejandro Cabo , Francisco Claro

We investigated the behavior of fractional quantum Hall (FQH) states in a two-dimensional electron system with layer thickness and an in-plane magnetic field. Our comparisons across various filling factors within the first Landau level…

Strongly Correlated Electrons · Physics 2024-03-26 Dan Ye , Chen-Xin Jiang , Zi-Xiang Hu

We develop an effective field model for describing FQH states with rational filling factors that are not of Laughlin type. These kinds of systems, which concern single layer hierarchical states and multilayer ones, were observed…

High Energy Physics - Theory · Physics 2009-11-07 Aziz El Rhalami , El Hassan Saidi

Collective modes of exotic quantum fluids reveal underlying physical mechanisms responsible for emergent complex quantum ground states. We observe unexpected new collective modes in the fractional quantum Hall (FQH) regime:…

Mesoscale and Nanoscale Physics · Physics 2019-11-05 Lingjie Du , Ursula Wurstbauer , Ken W. West , Loren N. Pfeiffer , Saeed Fallahi , Geoff C. Gardner , Michael J. Manfra , Aron Pinczuk

We construct an algebraic description for the ground state and for the static response of the quantum Hall plateaux with filling factor $\nu=N/(2N+1)$ in the large $N$ limit. By analyzing the algebra of the fluctuations of the shape of the…

Strongly Correlated Electrons · Physics 2018-12-26 Dung Xuan Nguyen , Dam Thanh Son

In a previous work, we reported exact results of energies of the ground state in the fractional quantum Hall effect (FQHE) regime for systems with up to $N_{\text{e}} = 6$ electrons at the filling factor $\nu = 1/3$ by using the method of…

Strongly Correlated Electrons · Physics 2017-02-13 M. A. Ammar , Z. Bentalha , S. Bekhechi

We conjecture that the counting of the levels in the orbital entanglement spectra (OES) of finite-sized Laughlin Fractional Quantum Hall (FQH) droplets at filling $\nu=1/m$ is described by the Haldane statistics of particles in a box of…

Strongly Correlated Electrons · Physics 2011-10-05 M. Hermanns , A. Chandran , N. Regnault , B. Andrei Bernevig

Single-component fractional quantum Hall states (FQHSs) at even-denominator filling factors may host non-Abelian quasiparticles that are considered to be building blocks of topological quantum computers. Such states, however, are rarely…

Mesoscale and Nanoscale Physics · Physics 2024-01-01 Chengyu Wang , A. Gupta , S. K. Singh , P. T. Madathil , Y. J. Chung , L. N. Pfeiffer , K. W. Baldwin , R. Winkler , M. Shayegan