Theoretical analysis reveals a viable first-order electroweak phase transition in a three-Higgs doublet model, indicating compatibility with dark matter constraints and CP violation.
A bstract Within a well-motivated 3-Higgs doublet model, in which the extended dark sector accommodates CP violation, we analyse the electroweak phase transition (EWPT) at one- and two-loop order. We show the importance of higher loop calculations in EWPT analyses and identify the regions of the parameter space of our model where EWPT is of first order while in agreement with all theoretical and experimental bounds, including Dark Matter relic density and direct and indirect searches.
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Keus et al. (2026) studied this question.
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