Composite fermion model for entanglement spectrum of fractional quantum Hall states

TL;DR

This paper demonstrates that the entanglement spectrum of fractional quantum Hall states, modeled by Laughlin and Jain wave functions, can be effectively described using a simple composite fermion model.

Contribution

It introduces a model that captures the entanglement spectrum of fractional quantum Hall states using non-interacting composite fermions, simplifying previous complex descriptions.

Findings

Entanglement spectrum matches well with the composite fermion model.

The model provides a simplified understanding of strongly correlated states.

Supports the composite fermion picture as a useful framework.

Abstract

We show that the entanglement spectrum associated with a certain class of strongly correlated many-body states --- the wave functions proposed by Laughlin and Jain to describe the fractional quantum Hall effect --- can be very well described in terms of a simple model of non-interacting (or weakly interacting) composite fermions.