Phase transition of the two Higgs doublets in early universe

被引：0

作者：

Anh, Nguyen Tuan ^{[1
]}

Tam, Dinh Thanh ^{[2
]}

机构：

[1] Elect Power Univ, Fac Energy Technol, Hanoi, Vietnam

[2] Tay Bac Univ, Son La, Vietnam

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2023年 / 38卷 / 20期

关键词：

Two Higgs-doublet model; alignment limit; electroweak phase transition; effective potential; Cornwal-Jackiw-Tomboulis formalism; preservation of Goldstone theorem; ELECTROWEAK; SYMMETRIES; GAUGE;

D O I：

10.1142/S0217751X23501063

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

In this paper, we study the phase transition of the two Higgs-doublets model (2HDM) and consider a scenario of a electroweak phase transition at alignment limit. Using the Cornwall-Jackiw-Tomboulis formalism at finite temperature, we consider the phase transition of the aligned 2HDM in the two-loop double-bubble contribution. By requirement of Goldstone theorem, the effective potential is corrected and the results show that the system obeys a second-order phase transition. A possible thermal history of the early universe has been treated out: the universe undergoes a smooth crossover in the SM, a second-order phase transition in this model before going to a strong first-order transition in the new physics as in recent 2HDMs and supersymmetry (from the EW symmetric to the broken phase).

引用

页数：18

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