Non-Perturbative Gauge-Higgs Unification in Five Dimensions
Graham Moir, Maurizio Alberti, Francesco Knechtli, Nikos Irges
TL;DR
This paper investigates a five-dimensional $SU(2)$ Gauge-Higgs Unification model, revealing spontaneous symmetry breaking, Standard Model-like mass ratios, and dimensional reduction phenomena in specific phase regions.
Contribution
It provides the first non-perturbative analysis of phase structure and mass spectrum in 5D Gauge-Higgs Unification, highlighting novel symmetry breaking and localization effects.
Findings
Spontaneous symmetry breaking observed in Higgs phase
Higgs to gauge boson mass ratio matches Standard Model values
Dimensional reduction via localization near a new phase
Abstract
We study the phase diagram and mass spectrum of an Gauge-Higgs Unification scenario on a five-dimensional orbifold.We observe spontaneous symmetry breaking within the Higgs phase of the theory and, in the vicinity of a newly discovered phase, we find that the ratio of Higgs to gauge boson masses takes a Standard Model-like value. Precisely in this region of the phase diagram, we observe dimensional reduction via localisation.
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