Unification of gauge and Yukawa couplings

Abstract

The unification of gauge and top Yukawa couplings is an attractive feature of gauge-Higgs unification models in extra-dimensions. This feature is usually considered difficult to obtain based on simple group theory analyses. We reconsider a minimal toy model including the renormalisation group running at one loop. Our results show that the gauge couplings unify asymptotically at high energies, and that this may result from the presence of an UV fixed point. The Yukawa coupling in our toy model is enhanced at low energies, showing that a genuine unification of gauge and Yukawa couplings may be achieved.

5 pages, 2 figure; new results, extended discussion, conclusions unchanged

References in corpus (20)

• Neutrino masses and mixings in non-factorizable geometry
• Extra Spacetime Dimensions and Unification
• Higgs as a Holographic Pseudo-Goldstone Boson
• The Gauge Hierarchy Problem and Higher Dimensional Gauge Theories
• Finite Higgs mass without Supersymmetry
• Electroweak symmetry breaking and fermion masses from extra dimensions
• Standard Model Higgs from Higher Dimensional Gauge Fields
• The Origin of Spontaneous Symmetry Breaking in Theories with Large Extra Dimensions
• Renormalizability of gauge theories in extra dimensions
• Higgs Boson Mass and Electroweak-Gravity Hierarchy from Dynamical Gauge-Higgs Unification in the Warped Spacetime
• Power law scaling in Universal Extra Dimension scenarios
• Unification and Extra Space-Time Dimensions
• Running and Matching from 5 to 4 Dimensions
• Novel universality and Higgs decay H -> γγ, gg in the SO(5) x U(1) gauge-Higgs unification
• Non-local symmetry breaking in Kaluza-Klein theories
• LHC signals of the $SO(5)\times U(1)$ gauge-Higgs unification
• Regularisation Techniques for the Radiative Corrections of Wilson lines and Kaluza-Klein states
• Collider signals of $W^{\prime }$ and $Z^{\prime }$ bosons in the gauge-Higgs unification
• Renormalisation running of masses and mixings in UED models
• Power law in a gauge-invariant cut-off regularisation

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• The Hierarchy Problem and the Top Yukawa: An Alternative to Top Partner Solutions
• $USp(32)$ Special Grand Unification
• Are Low-energy Data already Hinting at Five Dimensions?
• Leptogenesis in five-dimensional asymptotic Grand Unification models