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 …

[HTML][HTML] DRalgo: a package for effective field theory approach for thermal phase transitions

A Ekstedt, P Schicho, TVI Tenkanen - Computer Physics Communications, 2023 - Elsevier
DRalgo is an algorithmic implementation that constructs an effective, dimensionally reduced,
high-temperature field theory for generic models. The corresponding Mathematica package …

Combining thermal resummation and gauge invariance for electroweak phase transition

P Schicho, TVI Tenkanen, G White - Journal of High Energy Physics, 2022 - Springer
A bstract For computing thermodynamics of the electroweak phase transition, we discuss a
minimal approach that reconciles both gauge invariance and thermal resummation. Such a …

Gravitational waves from first-order phase transitions in LISA: reconstruction pipeline and physics interpretation

C Caprini, R **no, M Lewicki, E Madge… - … of Cosmology and …, 2024 - iopscience.iop.org
We develop a tool for the analysis of stochastic gravitational wave backgrounds from
cosmological first-order phase transitions with LISA: we initiate a template databank for …

Impact of theoretical uncertainties on model parameter reconstruction from GW signals sourced by cosmological phase transitions

M Lewicki, M Merchand, L Sagunski, P Schicho… - Physical Review D, 2024 - APS
Different computational techniques for cosmological phase transition parameters can impact
the gravitational wave (GW) spectra predicted in a given particle physics model. To …

BubbleDet: a Python package to compute functional determinants for bubble nucleation

A Ekstedt, O Gould, J Hirvonen - Journal of High Energy Physics, 2023 - Springer
A bstract We present a Python package BubbleDet for computing one-loop functional
determinants around spherically symmetric background fields. This gives the next-to-leading …

Perturbative effective field theory expansions for cosmological phase transitions

O Gould, TVI Tenkanen - Journal of High Energy Physics, 2024 - Springer
A bstract Guided by previous non-perturbative lattice simulations of a two-step electroweak
phase transition, we reformulate the perturbative analysis of equilibrium thermodynamics for …

Conformal model for gravitational waves and dark matter: a status update

M Kierkla, A Karam, B Świeżewska - Journal of High Energy Physics, 2023 - Springer
A bstract We present an updated analysis of the first-order phase transition associated with
symmetry breaking in the early Universe in a classically scale-invariant model extended with …

Gravitational waves, bubble profile, and baryon asymmetry in the complex 2HDM

D Gonçalves, A Kaladharan, Y Wu - Physical Review D, 2023 - APS
This study explores the generation of the observed baryon asymmetry of the Universe within
the complex two-Higgs doublet model (C2HDM) while considering theoretical and current …

Supercool subtleties of cosmological phase transitions

P Athron, C Balázs, L Morris - Journal of Cosmology and …, 2023 - iopscience.iop.org
We investigate rarely explored details of supercooled cosmological first-order phase
transitions at the electroweak scale, which may lead to strong gravitational wave signals or …