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We establish the quantum mechanics of composite fermions based on the dipole picture initially proposed by Read. It comprises three complimentary components: a wave equation for determining the wave functions of a composite fermion in ideal…

Mesoscale and Nanoscale Physics · Physics 2024-06-24 Junren Shi

We study fractional quantum Hall states at filling fractions in the Jain sequences using the framework of composite Dirac fermions. Synthesizing previous work, we write down an effective field theory consistent with all symmetry…

Mesoscale and Nanoscale Physics · Physics 2018-05-31 Dung Xuan Nguyen , Siavash Golkar , Matthew M. Roberts , Dam Thanh Son

The magnetic field redefinition in Jain's composite fermion model for the fractional quantum Hall effect is shown to be effectively described by a mean-field approximation of a model containing a Maxwell-Chern-Simons gauge field…

High Energy Physics - Theory · Physics 2009-11-10 Ricardo C. Paschoal , José A. Helayël-Neto

We construct an effective conformal field theory by using a procedure which induces twisted boundary conditions for the fundamental scalar fields. That allows to describe a quantum Hall fluid at Jain hierarchical filling, nu=m/(2pm+1), in…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 G. Cristofano , G. Maiella , V. Marotta

The fractional quantum Hall effect is the paradigmatic example of topologically ordered phases. One of its most fascinating aspects is the large variety of different topological orders that may be realized, in particular nonabelian ones.…

Strongly Correlated Electrons · Physics 2017-12-13 Yoran Tournois , Maria Hermanns

It is argued that fractional quantum Hall effect wavefunctions can be interpreted as conformal blocks of two-dimensional conformal field theory. Fractional statistics can be extended to nonabelian statistics and examples can be constructed…

High Energy Physics - Theory · Physics 2008-11-26 N. Read , G. Moore

It is shown that the Jain mapping between states of integer and fractional quantum Hall systems can be described dynamically as a perturbative renormalization of an effective Chern-Simons field theory. The effects of mirror duality…

Condensed Matter · Physics 2009-10-30 L. Cooper , I. I. Kogan , A. Lopez , R. J. Szabo

The abelian hierarchy of quantum Hall states accounts for most of the states in the lowest Landau level, and there is evidence of a similar hierarchy of non-abelian states emanating from the {\nu} = 5/2 Moore-Read state in the second Landau…

Strongly Correlated Electrons · Physics 2015-05-20 J. Suorsa , S. Viefers , T. H. Hansson

By using the explicit knowledge of the lowest energy single particle wave functions in the presence of an {\it arbitrary} magnetic field, we extend to the case of a torus Jain's idea of looking at the FQHE as a manifestation of an integer…

Condensed Matter · Physics 2015-06-25 G. Cristofano , G. Maiella , R. Musto , F. Nicodemi

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

Chiral conformal field theories are characterized by a ground-state current at finite temperature, that could be observed, e.g. in the edge excitations of the quantum Hall effect. We show that the corresponding thermal conductance is…

Mesoscale and Nanoscale Physics · Physics 2011-07-19 Andrea Cappelli , Marina Huerta , Guillermo R. Zemba

A recent experimental study [Pan et al., arXiv: 1902.10262] has shown that fractional quantum Hall effect gaps are essentially consistent with particle-hole symmetry in the lowest Landau level. Motivated by this result, we consider a clean…

Strongly Correlated Electrons · Physics 2019-06-27 Prashant Kumar , Michael Mulligan , S. Raghu

We construct a new representation of composite fermion wave functions in the lowest Landau level which enables Monte Carlo computations at arbitrary filling factors for a fairly large number of composite fermions, thus clearing the way…

Condensed Matter · Physics 2008-02-03 J. K. Jain , R. K. Kamilla

We achieve an explicit construction of the lowest Landau level (LLL) projected wave functions for composite fermions in the periodic (torus) geometry. To this end, we first demonstrate how the vortex attachment of the composite fermion (CF)…

Strongly Correlated Electrons · Physics 2017-11-08 Songyang Pu , Ying-Hai Wu , J. K. Jain

The electromagnetic characteristics of the fractional quantum Hall states are studied by formulating an effective vector-field theory that takes into account projection to the exact Landau levels from the beginning. The effective theory is…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 K. Shizuya

We study the partition function for the low-energy edge excitations of the incompressible electron fluid. On an annular geometry, these excitations have opposite chiralities on the two edges; thus, the partition function takes the standard…

High Energy Physics - Theory · Physics 2009-10-30 Andrea Cappelli , Guillermo R. Zemba

We show that a Coulomb gas Vertex Operator representation of 2D Conformal Field Theory gives a complete description of abelian Hall fluids: as an euclidean theory in two space dimensions leads to the construction of the ground state wave…

Condensed Matter · Physics 2012-09-27 A. De Martino , R. Musto

Recently, Jack polynomials have been proposed as natural generalizations of Z_k Read-Rezayi states describing non-Abelian fractional quantum Hall systems. These polynomials are conjectured to be related to correlation functions of a class…

Strongly Correlated Electrons · Physics 2015-05-13 Benoit Estienne , Nicolas Regnault , Raoul Santachiara

We provide a simple way to obtain the fusion rules associated with elementary quasi-holes over quantum Hall wave functions, in terms of domain walls. The knowledge of the fusion rules is helpful in the identification of the underlying…

Mesoscale and Nanoscale Physics · Physics 2009-06-19 Eddy Ardonne

It was recently shown that dipolar composite fermions emerged from the lowest-Landau-level formulation of the quantum Hall effect give rise to similar results as those of the Chern-Simons gauge theory in the long wavelength and low energy…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Yong Baek Kim