Cosmological phase transitions: From perturbative particle physics to gravitational waves

P Athron, C Balázs, A Fowlie, L Morris, L Wu - Progress in Particle and …, 2024 - Elsevier
Gravitational waves (GWs) were recently detected for the first time. This revolutionary
discovery opens a new way of learning about particle physics through GWs from first-order …

Cosmology with the laser interferometer space antenna

P Auclair, D Bacon, T Baker, T Barreiro… - Living Reviews in …, 2023 - Springer
Abstract The Laser Interferometer Space Antenna (LISA) has two scientific objectives of
cosmological focus: to probe the expansion rate of the universe, and to understand …

Primordial gravitational waves in the nano-Hertz regime and PTA data—towards solving the GW inverse problem

E Madge, E Morgante, C Puchades-Ibáñez… - Journal of High Energy …, 2023 - Springer
A bstract In recent years, several pulsar timing array collaborations have reported first hints
for a stochastic gravitational wave background at nano-Hertz frequencies. Here we …

Detecting gravitational waves from cosmological phase transitions with LISA: an update

C Caprini, M Chala, GC Dorsch… - … of Cosmology and …, 2020 - iopscience.iop.org
We investigate the potential for observing gravitational waves from cosmological phase
transitions with LISA in light of recent theoretical and experimental developments. Our …

[HTML][HTML] NANOGrav signal from a dark conformal phase transition

K Fujikura, S Girmohanta, Y Nakai, M Suzuki - Physics Letters B, 2023 - Elsevier
We explore the possibility that a confining first-order phase transition of a nearly-conformal
dark sector generates the reported NANOGrav signal of a stochastic gravitational wave …

Baryogenesis from the weak scale to the grand unification scale

D Bödeker, W Buchmüller - Reviews of Modern Physics, 2021 - APS
The current status of baryogenesis is reviewed, with an emphasis on electroweak
baryogenesis and leptogenesis. The first detailed studies were carried out for SU (5) grand …

Does NANOGrav observe a dark sector phase transition?

T Bringmann, PF Depta, T Konstandin… - … of Cosmology and …, 2023 - iopscience.iop.org
Gravitational waves from a first-order cosmological phase transition, at temperatures at the
MeV-scale, would arguably be the most exciting explanation of the common red spectrum …

The first three seconds: a review of possible expansion histories of the early universe

R Allahverdi, MA Amin, A Berlin, N Bernal… - arxiv preprint arxiv …, 2020 - arxiv.org
It is commonly assumed that the energy density of the Universe was dominated by radiation
between reheating after inflation and the onset of matter domination 54,000 years later …

On the maximal strength of a first-order electroweak phase transition and its gravitational wave signal

J Ellis, M Lewicki, JM No - Journal of Cosmology and …, 2019 - iopscience.iop.org
What is the maximum possible strength of a first-order electroweak phase transition and the
resulting gravitational wave (GW) signal? While naively one might expect that supercooling …

Detection of early-universe gravitational-wave signatures and fundamental physics

R Caldwell, Y Cui, HK Guo, V Mandic, A Mariotti… - General relativity and …, 2022 - Springer
Detection of a gravitational-wave signal of non-astrophysical origin would be a landmark
discovery, potentially providing a significant clue to some of our most basic, big-picture …