Cosmological phase transitions: From perturbative particle physics to gravitational waves

P Athron, C Balázs, A Fowlie, L Morris, L Wu - Progress in Particle and …, 2023 - 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 …

First principles determination of bubble wall velocity

B Laurent, JM Cline - Physical Review D, 2022 - APS
The terminal wall velocity of a first-order phase transition bubble in the early Universe can
be calculated from a set of fluid equations describing the scalar fields and the plasma's state …

Friction pressure on relativistic bubble walls

Y Gouttenoire, R Jinno, F Sala - Journal of High Energy Physics, 2022 - Springer
A bstract During a cosmological first-order phase transition, particles of the plasma crossing
the bubble walls can radiate a gauge boson. The resulting pressure cannot be computed …

Electroweak bubble wall expansion: gravitational waves and baryogenesis in Standard Model-like thermal plasma

M Lewicki, M Merchand, M Zych - Journal of High Energy Physics, 2022 - Springer
A bstract Computing the properties of the bubble wall of a cosmological first order phase
transition at electroweak scale is of paramount importance for the correct prediction of the …

Model-independent bubble wall velocities in local thermal equilibrium

WY Ai, B Laurent, J van de Vis - Journal of Cosmology and …, 2023 - iopscience.iop.org
Accurately determining bubble wall velocities in first-order phase transitions is of great
importance for the prediction of gravitational wave signals and the matter-antimatter …

The scalar singlet extension of the Standard Model: gravitational waves versus baryogenesis

J Ellis, M Lewicki, M Merchand, JM No… - Journal of High Energy …, 2023 - Springer
A bstract We study the possible gravitational wave signal and the viability of baryogenesis
arising from the electroweak phase transition in an extension of the Standard Model (SM) by …

Gravitational waves from dark SU (3) Yang-Mills theory

E Morgante, N Ramberg, P Schwaller - Physical Review D, 2023 - APS
We analyze the phase transition in improved holographic QCD to obtain an estimate of the
gravitational wave signal emitted in the confinement transition of a pure SU (3) Yang-Mills …

Constraining first-order phase transitions with curvature perturbations

J Liu, L Bian, RG Cai, ZK Guo, SJ Wang - Physical Review Letters, 2023 - APS
The randomness of the quantum tunneling process induces superhorizon curvature
perturbations during cosmological first-order phase transitions. We for the first time utilize …

A sonic boom in bubble wall friction

GC Dorsch, SJ Huber… - Journal of Cosmology and …, 2022 - iopscience.iop.org
We revisit the computation of bubble wall friction during a cosmological first-order phase
transition, using an extended fluid Ansatz to solve the linearized Boltzmann equation. A …

Quantisation across bubble walls and friction

A Azatov, G Barni, R Petrossian-Byrne… - Journal of High Energy …, 2024 - Springer
A bstract We quantise from first principles field theories living on the background of a bubble
wall in the planar limit with particular focus on the case of spontaneous breaking of gauge …