TL;DR
This paper discusses the validity of Nielsen identities in renormalizable gauge theories quantized with linear covariant gauges, focusing on compact gauge Lie groups, and provides insights into their applicability.
Contribution
It offers critical comments on the conditions under which Nielsen identities hold in such gauge theories, clarifying their theoretical scope.
Findings
Nielsen identities' validity depends on specific gauge conditions.
Identifies limitations in applying Nielsen identities to certain gauge groups.
Provides theoretical clarification on gauge invariance properties.
Abstract
We present some comments concerning the validity of the Nielsen identities for renormalizable theories quantized in general linear covariant gauges in a context of compact gauge Lie groups.
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