Emergent Gauge Symmetries and Particle Physics

Abstract

Hadron properties and interactions are emergent from QCD. Atomic and condensed matter physics are emergent from QED. Could the local gauge symmetries of particle physics also be emergent? We give an introduction to this question and recent ideas connecting it to the (meta)stability of the Standard Model Higgs vacuum. With an emergent Standard Model the gauge symmetries would "dissolve" in the ultraviolet. This scenario differs from unification models which exhibit maximum symmetry in the extreme ultraviolet. With emergence, new global symmetry violations would appear in higher dimensional operators.

arXiv comment27 pages, 3 figures, based on lectures given at the Jagiellonian University in Krakow, January 2019

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• Emergent gauge symmetries: Yang-Mills theory
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