Eliminativism and the QCD \(\theta_{\mathrm{YM}}\)-term: what gauge transformations cannot do
type: Item
instance of: scholarly article
title: Eliminativism and the QCD \(\theta_{\mathrm{YM}}\)-term: what gauge transformations cannot do
zbMATH Open document ID: 1547.70024
DOI: 10.1007/s10701-024-00759-5
author: Henrique Gomes
author: Aldo Riello
published in: Foundations of Physics
publication date: 2024-07-10T00:00:00Z
review text: The nature of the \((F\wedge F)\) term in the Yang-Mills models is investigated. It is argued that while this term (its trace) is fully gauge-invariant (whether the gauge transformation is small or large), and is a total derivative (hence not affecting the equation of motion), its integral is a topological quantity, and hence is physical (observable).
reviewed by: Mohammad Khorrami
Mathematics Subject Classification ID: 70S15
Mathematics Subject Classification ID: 81T13
zbMATH DE Number: 7879203
zbMATH Keywords: Yang-Mills theory
zbMATH Keywords: fiber bundle
zbMATH Keywords: bundle topology
zbMATH Keywords: gauge degree of freedom
zbMATH Keywords: full gauge-invariance
zbMATH Keywords: second Chern number
MaRDI profile type: Publication
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description: scientific article; zbMATH DE number 7879203