Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 2, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP02(2023)125
Keywords
Early Universe Particle Physics; Phase Transitions in the Early Universe
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Supercooled first order phase transitions are typical of theories with predominantly spontaneously broken conformal symmetry, where the fate of the flat scalar direction is highly sensitive to the size and scaling dimension of explicit breaking deformations. We identify the supercooling window and its boundaries in weakly coupled theories, providing a fully analytical understanding. This allows us to identify deformations that enlarge the supercooling window and characterize their dynamics analytically. Additionally, we discuss strongly coupled conformal field theories with an holographic dual, where calculability issues challenge the complete characterization of the supercooling window.
Supercooled first order phase transitions are typical of theories where conformal symmetry is predominantly spontaneously broken. In these theories the fate of the flat scalar direction is highly sensitive to the size and the scaling dimension of the explicit breaking deformations. For a given deformation, the coupling must lie in a particular region to realize a supercooled first order phase transition. We identify the supercooling window in weakly coupled theories and derive a fully analytical understanding of its boundaries. Mapping these boundaries allows us to identify the deformations enlarging the supercooling window and to characterize their dynamics analytically. For completeness we also discuss strongly coupled conformal field theories with an holographic dual, where the complete characterization of the supercooling window is challenged by calculability issues.
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