Quasiconformality and mass

Abstract

We identify universal quasiconformal (walking) behaviour in non-Abelian gauge field theories based on the mass-dependent all-order beta-function introduced in arXiv:0908.1364. We find different types of walking behaviour in the presence of (partially) massive species. We employ our findings to the construction of candidate theories for dynamical electroweak symmetry breaking by walking technicolour.

16 pages, 8 figures.

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• Fermion Interactions and Universal Behavior in Strongly Interacting Theories
• The CP-odd sector and $\theta$ dynamics in holographic QCD
• A slice of AdS_5 as the large N limit of Seiberg duality
• Functional renormalization flow and dynamical chiral symmetry breaking of QCD
• Non-perturbative decoupling of massive fermions
• Strong interactions in air showers
• Intermediate effective interactions and dynamical fermion mass generation of QCD
• SU(2) gauge theory with $N_f=24$ quarks at non-zero mass