Comment on ``Non-thermalizability of a Quantum Field Theory''

TL;DR

This paper clarifies that Hagen's claims about non-thermalizability do not affect recent findings on large gauge invariance in thermal QED, emphasizing the distinction between the topics.

Contribution

It refutes the relevance of Hagen's claims to the authors' recent work on gauge invariance in thermal quantum electrodynamics.

Findings

Hagen's claims are irrelevant to the authors' results.

Large gauge invariance in thermal QED remains unaffected.

Clarification of conceptual distinctions in quantum field theory.

Abstract

We point out that the claims made in the paper ``Non-thermalizability of a Quantum Field Theory'' (hep-th/9802008) by C. R. Hagen are irrelevant to our recent results concerning large gauge invariance of the effective action in thermal QED.