Comments on "Gauge Theory of Composite Fermions:Particle-Flux Separation in Quantum Hall Systems" by I. Ichinose and Tetsuo Matsui, cond-mat/0210142 v2, 7 Feb. 2003

TL;DR

This paper critically examines Ichinose and Matsui's gauge theory of composite fermions in quantum Hall systems, arguing it introduces excessive quasiparticles and parameters, making it unrealistic and irrelevant to the quantum Hall effect.

Contribution

The authors provide a critical analysis showing the flaws and impracticalities in the gauge theory model of composite fermions proposed by Ichinose and Matsui.

Findings

The model requires too many quasiparticles.

It introduces too many parameters to fit the CF mass.

Electron decay predicted by the model is not observed.

Abstract

We find that the work of Ichinose requires far too many quasiparticles. As a result too many parameters are introduced to fit the mass of a composite fermion (CF) and hence experimentally, it will not be possible to identify all of such quasiparticles and their masses. Further, according to Ichinose, an electron decay should occur but it has not been found. It is much too unrealistic to expect an electron decay similar to the neutron decay. If the CF is really found it is not going to be relevent to the quantum Hall effect. Therefore, the composite fermion (CF) model of quantum Hall effect is not well founded and should be discarded.