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We consider quantum Hall droplets on complex projective spaces with a combination of abelian and nonabelian background magnetic fields. Carrying out an analysis similar to what was done for abelian backgrounds, we show that the effective…

High Energy Physics - Theory · Physics 2009-11-10 Dimitra Karabali , V. P. Nair

We give a brief review of the Quantum Hall effect in higher dimensions and its relation to fuzzy spaces. For a quantum Hall system, the lowest Landau level dynamics is given by a one-dimensional matrix action. This can be used to write down…

High Energy Physics - Theory · Physics 2010-05-25 Dimitra Karabali

We analyze the Landau problem and quantum Hall effect on $S^3$ taking a constant background field proportional to the spin connection on $S^3$. The effective strength of the field can be tuned by changing the dimension of the representation…

High Energy Physics - Theory · Physics 2010-04-05 V. P. Nair , S. Randjbar-Daemi

Using a $W_{N}$-gauge theory to describe electromagnetic interactions of spinless fermions in the lowest Landau level, where the $W_{N}$ transformations are nonlinear realizations of U(1) gauge transformations, we construct the effective…

High Energy Physics - Theory · Physics 2010-04-05 Dimitra Karabali

In this article, we shall focus on the collective dynamics of the fermions in a $\nu = 1$ quantum Hall droplet. Specifically, we propose to look at the quantum Hall ferromagnet. In this system, the electron spins are ordered in the ground…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Rashmi Ray , B. Sakita

We algebraically analysis the quantum Hall effect of a system of particles living on the disc ${\bf B}^1$ in the presence of an uniform magnetic field $B$. For this, we identify the non-compact disc with the coset space $SU(1,1)/U(1)$. This…

High Energy Physics - Theory · Physics 2008-11-26 Mohammed Daoud , Ahmed Jellal

In this article, we shall focus on the collective dynamics of the fermions in a $\nu = 1$ quantum Hall droplet. Specifically, we propose to look at the quantum Hall ferromagnet. In this system, the electron spins are ordered in the ground…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Rashmi Ray

We study the edge-mode excitations of a fractional quantum Hall droplet by expressing the edge state wavefunctions as linear combinations of Jack polynomials with a negative parameter. We show that the exact diagonalization within subspace…

Strongly Correlated Electrons · Physics 2014-04-30 Ki Hoon Lee , Zi-Xiang Hu , Xin Wan

The spin-excitations of a fractional quantum Hall system are evaluated within a bosonization approach. In a first step, we generalize Murthy and Shankar's Hamiltonian theory of the fractional quantum Hall effect to the case of composite…

Materials Science · Physics 2007-05-23 R. L. Doretto , M. O. Goerbig , P. Lederer , A. O. Caldeira , C. Morais Smith

The rapid development of artificial gauge fields in ultracold gases suggests that atomic realization of fractional quantum Hall physics will become experimentally practical in the near future. While it is known that bosons on lattices can…

Strongly Correlated Electrons · Physics 2014-09-11 Jonas A. Kjäll , Joel E. Moore

We present a general formula for the topological part of the effective action for quantum Hall systems in higher dimensions, including fluctuations of the gauge field and metric around background fields of a specified topological class. The…

High Energy Physics - Theory · Physics 2016-07-13 Dimitra Karabali , V. P. Nair

I give a brief review of higher dimensional quantum Hall effect (QHE) and how one can use a general framework to describe the lowest Landau level dynamics as a noncommutative field theory whose semiclassical limit leads to anomaly free…

High Energy Physics - Theory · Physics 2022-04-12 Dimitra Karabali

We give a brief review of quantum Hall effect in higher dimensions and its relation to fuzzy spaces. For a quantum Hall system, the lowest Landau level dynamics is given by a one-dimensional matrix action whose large $N$ limit produces an…

High Energy Physics - Theory · Physics 2009-11-11 Dimitra Karabali , V. P. Nair

Edge excitations of a fractional quantum Hall system can be derived as surface excitations of an incompressible quantum droplet using one dimensional chiral bosonization. Here we show that an analogous approach can be developed to…

Mesoscale and Nanoscale Physics · Physics 2011-04-05 N. M. Vildanov

We propose an effective low-energy theory for ferromagnetic Hall states. It describes the charge degrees of freedom, on the edge, by a (1 + 1) dimensional chiral boson theory, and the spin degrees of freedom by the (2 + 1)dimensional…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 M. V. Milovanovic

We analysis the quantum Hall effect exhibited by a system of particles moving in a higher dimensional space. This can be done by considering particles on the Bergman ball {\bb{B}_{\rho}^d} of radius \rho in the presence of an external…

High Energy Physics - Theory · Physics 2010-04-05 Ahmed Jellal

We perform consistently the Gupta-Bleuler quantization combined with Dirac procedure for a chiral boson with the parameter ($\alpha$) on the circle, the boundary of the circular droplet. For $\alpha =1$, we obtain the holomorphic…

High Energy Physics - Theory · Physics 2016-09-06 Y. S. Myung

We apply a voltage pulse to electrically excite the incompressible region of a two-dimensional electron liquid in the $\nu=2/3$ fractional quantum Hall state and investigate the collective excitations in both the edge and bulk via…

Mesoscale and Nanoscale Physics · Physics 2025-02-04 Quentin France , Yunhyeon Jeong , Akinori Kamiyama , Takaaki Mano , Ken-ichi Sasaki , Masahiro Hotta , Go Yusa

We study the ground state and low-energy excitations of fractional quantum Hall systems on a disk at filling fraction $\nu = 5/2$, with Coulomb interaction and background confining potential. We find the Moore-Read ground state is stable…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Xin Wan , Kun Yang , E. H. Rezayi

The Hilbert spaces of the edge excitations of several ``paired'' fractional quantum Hall states, namely the Pfaffian, Haldane-Rezayi and 331 states, are constructed and the states at each angular momentum level are enumerated. The method is…

Condensed Matter · Physics 2011-07-19 M. Milovanovic , N. Read
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