Non-abelian gauge theories as a consequence of perturbative quantum gauge invariance

Abstract

We show for the case of interacting massless vector bosons, how the structure of Yang-Mills theories emerges automatically from a more fundamental concept, namely perturbative quantum gauge invariance. It turns out that the coupling in a non-abelian gauge theory is necessarily of Yang-Mills type plus divergence- and coboundary couplings. The extension of the method to massive gauge theories is briefly discussed.

12 pages, latex, no figures

References in corpus (2)

• On Gauge Invariance and Spontaneous Symmetry Breaking
• Gauge Independence of the S-Matrix in the Causal Approach

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