Spontaneous scale symmetry breaking at high temperature

Abstract

We consider a scale symmetric extension of the Standard Model Higgs scalar sector. The new sector, dilaton, is responsible for the generation of mass scales and may have geometric origin in the Weyl gravity ${\tilde{R}}^2$ term. We show how temperature as a mass scale breaks scale symmetry explicitly and through a nonvanishing thermal vev. In addition we demonstrate that cosmological evolution of the dilaton-Higgs system can lead to late time mass scales, which agree with the Standard Model.

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Cited by in corpus (1)

• Coupling Metric-Affine Gravity to the Standard Model and Dark Matter Fermions