Comment on "Dynamical Chern-Simons term generation at finite density" and "Chern-Simons term at finite density"

TL;DR

This paper discusses the calculation of the Chern-Simons coefficient in (2+1)-dimensional gauge theories at finite density, providing critical commentary on prior methods and results.

Contribution

It offers a detailed critique and analysis of previous calculations of the Chern-Simons term at finite density in gauge theories.

Findings

Highlights potential issues in earlier calculations

Provides clarification on the correct computation methods

Suggests revisions to existing theoretical results

Abstract

We comment on the calculation of the Chern-Simons coefficient in (2+1)-dimensional gauge theories at finite chemical potential made by A.N.Sissakian, O.Yu.Shevchenko and S.B.Solganik (hep-th/9608159 and hep-th/9612140).