Conformal Dynamics for TeV Physics and Cosmology

By Francesco Sannino. 2009

182 citations recorded by the source corpus.

We introduce the topic of dynamical breaking of the electroweak symmetry and its link to unparticle physics and cosmology. The knowledge of the phase diagram of strongly coupled theories plays a fundamental role when trying to construct viable extensions of the standard model (SM). Therefore we present the state-of-the-art of the phase diagram for SU , Sp and SO gauge theories with fermionic matter transforming according to arbitrary representations of the underlying gauge group. We summarize several analytic methods used recently to acquire information about these gauge theories. We also provide new results for the phase diagram of the generalized Bars-Yankielowicz and Georgi-Glashow chiral gauge theories. These theories have been used for constructing grand unified models and have been the template for models of extended technicolor interactions. To gain information on the phase diagram of chiral gauge theories we will introduce a novel all orders beta function for chiral gauge theories. This permits the first unified study of all nonsupersymmetric gauge theories with fermionic matter representation both chiral and non-chiral. To the best of our knowledge the phase diagram of these complex models appears here for the first time. We will introduce recent extensions of the SM featuring minimal conformal gauge theories known as minimal walking models. Finally we will discuss the electroweak phase transition at nonzero temperature for models of dynamical electroweak symmetry breaking.

Subfields: Atomic and Molecular Physics, and Optics, Materials Chemistry, Statistical and Nonlinear Physics

View Paper: https://www.semanticscholar.org/paper/80f935bbc453b662d7d1711b0f0aa2139a37cfd9

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Citations in the corpus

Composite Higgs boson pair production at the LHC (2010, background): “It describes the physics near the SM limit � → 0, whereas in the technicolor limit (for recent reviews on technicolor models, see [26, 27 ]), � → 1, a resummation of the full series in � is needed.”
Holographic models for QCD in the Veneziano limit (2011, methodology): “has been used as a generic name for non-perturbative electroweak symmetry breaking mimicking the one induced by QCD, [18].”
Fundamental composite dynamics: A review (2020, methodology): “Recent progress on the phase diagrams of these theories has appeared in [193].”
Hyperscaling relations in mass-deformed conformal gauge theories (2010, background): “The main motivation, besides intrinsic interest, comes from the fact that theories near the conformal window correspond to the class of theories underlying walking technicolor [2, 3, 4, 5, 6], which is the phenomenologically most viable offspring of technicolor theories [7, 8, 9, 10].”