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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

In certain backgrounds string theory exhibits quantum Hall-like behavior. These backgrounds provide an explicit realization of the effective non-commutative gauge theory description of the fractional quantum Hall effect (FQHE), and of the…

High Energy Physics - Theory · Physics 2017-08-23 Oren Bergman

Classical constraints on the reduced density matrix of quantum fluids in a single Landau level, termed as local exclusion conditions (LECs) [B. Yang, arXiv:1901.00047], have recently been shown to characterize the ground state of many FQH…

Strongly Correlated Electrons · Physics 2021-01-20 Bo Yang , Ajit C. Balram

We develop a theory for the pseudorelativistic fractional quantum Hall effect in graphene, which is based on a multicomponent abelian Chern-Simons theory in the fermionic functional integral approach. Calculations are performed in the…

Mesoscale and Nanoscale Physics · Physics 2018-03-21 Christian Fräßdorf

In the present paper, the Bose-Hubbard model (BHM) with the nearest-neighbor (NN) repulsions is studied from the view point of possible bosonic analogs of the fractional quantum Hall (FQH) state in the vicinity of the Mott insulator (MI).…

Quantum Gases · Physics 2017-01-10 Yoshihito Kuno , Keita Shimizu , Ikuo Ichinose

We compute the high-frequency emission and absorption noise in a fractional quantum Hall effect (FQHE) sample at arbitrary temperature. We model the edges of the FQHE as chiral Luttinger liquids (LL) and we use the non-equilibrium…

Strongly Correlated Electrons · Physics 2009-11-13 Cristina Bena , Ines Safi

It is demonstrated that all observed fractions at moderate Landau level fillings for the quantum Hall effect can be obtained without recourse to the phenomenological concept of composite fermions. The possibility to have the special…

Mesoscale and Nanoscale Physics · Physics 2009-03-19 S. V. Iordanski , D. S. Lubshin

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

We describe a method to create fractional quantum Hall states of atoms confined in optical lattices. We show that the dynamics of the atoms in the lattice is analogous to the motion of a charged particle in a magnetic field if an…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Anders S. Sorensen , Eugene Demler , Mikhail D. Lukin

We present here a complete microscopic theory of a family of neutral excitations in the fractional quantum Hall fluids, related to the geometric fluctuations of the quantum Hall ground states. Many of the physical properties of such…

Strongly Correlated Electrons · Physics 2024-11-11 Bo Yang

The Pfaffian fractional quantum Hall (FQH) states are incompressible non-Abelian topological fluids present in a half-filled electron Landau level, where there is a balanced population of electrons and holes. They give rise to half-integral…

Strongly Correlated Electrons · Physics 2019-06-19 Alexander Sirota , Sharmistha Sahoo , Gil Young Cho , Jeffrey C. Y. Teo

The fractional quantum Hall effect (FQHE) occurs at certain magnetic field strengths B*(n) in a two-dimensional electron gas of density n at strong magnetic fields perpendicular to the plane of the electron gas. At these magnetic fields…

Condensed Matter · Physics 2007-05-23 O. Heinonen , M. I. Lubin , M. D. Johnson

We study both the continuous model and the discrete model of the integer quantum Hall effect on the hyperbolic plane in the presence of disorder, extending the results of an earlier paper [CHMM]. Here we model impurities, that is we…

Differential Geometry · Mathematics 2007-05-23 A. Carey , K. Hannabuss , V. Mathai

Applying a unified approach, we study integer quantum Hall effect (IQHE) and fractional quantum Hall effect (FQHE) in the Hofstadter model with short range interaction between fermions. An effective field, that takes into account the…

Strongly Correlated Electrons · Physics 2021-05-10 Igor N. Karnaukhov

Fractional quantum Hall effect (FQHE) is a prime example of topological quantum many-body phenomena, arising from the interplay between strong electron correlation, topological order, and time reversal symmetry breaking. Recently, a lattice…

Strongly Correlated Electrons · Physics 2024-11-22 Zhurun Ji , Heonjoon Park , Mark E. Barber , Chaowei Hu , Kenji Watanabe , Takashi Taniguchi , Jiun-Haw Chu , Xiaodong Xu , Zhi-xun Shen

The observed fractional quantum Hall (FQH) plateaus follow a recurring hierarchical structure that allows an understanding of complex states based on simpler ones. Condensing the elementary quasiparticles of an Abelian FQH state results in…

Strongly Correlated Electrons · Physics 2025-09-03 Misha Yutushui , Maria Hermanns , David F. Mross

Three-body correlations, which arise between spin-polarized electrons in the first excited Landau level, are believed to play a key role in the emergence of enigmatic non-Abelian fractional quantum Hall (FQH) effects. Inspired by recent…

Strongly Correlated Electrons · Physics 2018-12-12 Ching Hua Lee , Wen Wei Ho , Bo Yang , Jiangbin Gong , Zlatko Papić

A low energy effective Hamiltonian for the fractional quantum Hall effect is obtained by using irreducible representations of the symmetry group. It is found that the model described by the effective Hamiltonian is similar to the Heisenberg…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Myung-Hoon Chung , So-Nam Choi , Jae-Hoon Kwon

Recent progress in nanoscale quantum optics and superconducting qubits has made the creation of strongly correlated, and even topologically ordered, states of photons a real possibility. Many of these states are gapped and exhibit anyon…

Mesoscale and Nanoscale Physics · Physics 2014-09-10 Eliot Kapit , Mohammad Hafezi , Steven H. Simon

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…

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