Open AccessThe Parametric Space of the Two-Higgs-Doublet Model and Sakharov’s Baryogenesis Conditions
Author(s) -
Andrey Kozhushko,
В. В. Скалозуб
Publication year - 2022
Publication title -
ukrainian journal of physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.213
H-Index - 17
eISSN - 2071-0194
pISSN - 2071-0186
DOI - 10.15407/ujpe56.5.431
Subject(s) - baryogenesis , electroweak interaction , physics , higgs boson , parameter space , phase diagram , phase transition , scalar field , parametric statistics , scalar (mathematics) , particle physics , quantum electrodynamics , phase (matter) , mathematical physics , condensed matter physics , quantum mechanics , mathematics , statistics , geometry
The electroweak phase transition in the Two-Higgs-Doublet Model is investigated. The Gibbs potential at a finite temperature is computed with regard for the one-loop plus ring diagram contributions. The strong first-order phase transition satisfying Sakharov's baryogenesis conditions is determined for the values of scalar field masses allowed by experimental data. The relation between the model parameters supplying the phase transition to be of the first order is derived. It is shown that a sequence of phase transitions is also possible. A comparison with results of other authors is done.