Holographic models of composite Higgs in the Veneziano limit. Part II. Fermionic sector

• DOI: 10.1007/jhep05(2022)066
• Publication Date: 2022-05-13T05:02:30Z
• Authors: Daniel Elander; Michele Frigerio; Marc Knecht; Jean-Loïc Kneur
• Keywords: Yukawa potential

A bstract We continue our study of strongly-coupled, approximately scale-invariant gauge theories with a large number flavours, which provide suitable ultraviolet completion the composite-Higgs scenario. identify requisite operators to realise partial compositeness Standard-Model fermions. In order compute spectrum composite fermionic states, we extend bottom-up holographic models, previously introduced capture main features non-perturbative dynamics in Veneziano limit, by adding fermion fields bulk. regions parameter space where some bound states become light, depending particular on operator scaling dimensions, and bulk Yukawa couplings. also observe dense when multi-scale is induced backreaction scalars geometry. Adapting formalism Wilsonian renormalisation group, linear coupling between elementary fermions, as function energy scale. find that, circumstances, associated are dangerously irrelevant: renormalisation-group flow gives rise infrared, even it irrelevant from point view fixed point. finally partially spectrum, correlate analysis flow, assess potential phenomenological implications, e.g. for top-quark partners.