2023
DOI: 10.1088/1475-7516/2023/12/046
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Supercooling in radiative symmetry breaking: theory extensions, gravitational wave detection and primordial black holes

Alberto Salvio

Abstract: First-order phase transitions, which take place when the symmetries are predominantly broken (and masses are then generated) through radiative corrections, produce observable gravitational waves and primordial black holes. We provide a model-independent approach that is valid for large-enough supercooling to quantitatively describe these phenomena in terms of few parameters, which are computable once the model is specified. The validity of a previously-proposed approach of this sort is extended here … Show more

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Cited by 23 publications
(3 citation statements)
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“…Therefore, at this moment in our best reasonable way, we parametrize the epoch during the reheating process by the e-folding, as noted above, and simply assume the instantaneous reheating without referring to the size of the χ decay rate as classified in Eqs. (33) and (34).…”
Section: T Rmentioning
confidence: 99%
See 1 more Smart Citation
“…Therefore, at this moment in our best reasonable way, we parametrize the epoch during the reheating process by the e-folding, as noted above, and simply assume the instantaneous reheating without referring to the size of the χ decay rate as classified in Eqs. (33) and (34).…”
Section: T Rmentioning
confidence: 99%
“…In other works [34,35] the ultra-supercooling generated from the Higgs portal scalegenesis coupled to multiple SM singlet scalars have been discussed in a generic manner in light of prediction of the GW signals. In the present study, the SM-like Higgs forms the portal coupling only to a singlet scalar (dilaton), not multiple of scalars like in the literature.…”
Section: Introductionmentioning
confidence: 99%
“…This can be used to test the Standard Model of particle physics (SM) and its extensions. One example is given by phase transitions that admit field-theoretic descriptions both perturbatively (see [8,9] for a model-independent analysis) and non-perturbatively (see e.g. [10][11][12][13][14]).…”
Section: Introductionmentioning
confidence: 99%