Gauged Q-ball dark matter through a cosmological first-order phase transition
Abstract
As a new type of dynamical dark matter mechanism, we discuss the stability of the gauged Q-ball dark matter and its production mechanism through a cosmological first-order phase transition. This work delves into the study of gauged Q-ball dark matter generated during the cosmic phase transition. We demonstrate detailed discussions on the stability of gauged Q-balls to rigorously constrain their charge and mass ranges. Additionally, employing analytic approximations and the mapping method, we provide qualitative insights into gauged Q-balls. We establish an upper limit on the gauge coupling constant and give the relic density of stable gauged Q-ball dark matter formed during a first-order phase transition. Furthermore, we discuss potential observational signatures or constraints of gauged Q-ball dark matter, including astronomical observations and gravitational wave signals.
Keywords
Cite
@article{arxiv.2404.16509,
title = {Gauged Q-ball dark matter through a cosmological first-order phase transition},
author = {Siyu Jiang and Fa Peng Huang and Pyungwon Ko},
journal= {arXiv preprint arXiv:2404.16509},
year = {2024}
}
Comments
40 pages, 14 figures, 1 table; Published version at JHEP