Spontaneous scale symmetry breaking at high temperature
A bstract 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 R ~ 2 term. We show how temperature as a mass scale breaks scale symmetry explicitl...
Gespeichert in:
Veröffentlicht in: | The journal of high energy physics 2023-05, Vol.2023 (5), p.206-24, Article 206 |
---|---|
Hauptverfasser: | , |
Format: | Artikel |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | A
bstract
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
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. |
---|---|
ISSN: | 1029-8479 1029-8479 |
DOI: | 10.1007/JHEP05(2023)206 |