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Symmetry Breaking in the Standard Model

A Non-Perturbative Outlook

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eBook. PDF

eBook

2019

Approx. 120 p..

In englischer Sprache

Scuola Normale Superiore. ISBN 9788876426605

Das Werk ist Teil der Reihe: Publications of the Scuola Normale Superiore Lecture Notes (Scuola Normale Superiore)

Produktbeschreibung

The book provides a non-perturbative approach to the symmetry breaking in the standard model, in this way avoiding the critical issues which affect the standard presentations. The debated empirical meaning of global and local gauge symmetries is clarified. The absence of Goldstone bosons in the Higgs mechanism is non-perturbatively explained by the validity of Gauss laws obeyed by the currents which generate the related

global gauge symmetry. The solution of the U(1) problem and the vacuum structure in quantum chromodynamics (QCD) are obtained without recourse to the problematic semiclassical instanton approximation, by rather exploiting the topology of the gauge group.