Phase transitions in perturbative walking dynamics

被引：25

作者：

Azatov, Aleksandr ^{[1
,2
,3
]}

Vanvlasselaer, Miguel ^{[1
,2
,3
]}

机构：

[1] SISSA Int Sch Adv Studies, Via Bonomea 265, I-34136 Trieste, Italy

[2] Ist Nazl Fis Nucl, Sez Trieste, Via Bonomea 265, I-34136 Trieste, Italy

[3] IFPU, Via Beirut 2, I-34014 Trieste, Italy

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2020年 / 2020卷 / 09期

关键词：

Cosmology of Theories beyond the SM; Technicolor and Composite Models; GAUGE-THEORIES;

D O I：

10.1007/JHEP09(2020)085

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

In this paper, we investigate the dynamics of the confinement-deconfinement phase transition in a toy model where the walking dynamics is realized perturbatively. We study the properties of the phase transition focusing on the possible cosmological signatures it can provide. Interestingly the model is well under perturbative control only when the mass of the lightest field - the dilaton/scalon is much lighter than the rest of the fields and the phase transition proceeds slowly leading to strong signals in the stochastic gravitational wave spectrum.

引用

页数：26

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