Name: Advancing gravitational wave predictions from cosmological first-order phase transitions
Start: 2025-08-25T09:00:00+02:00
End: 2025-08-29T14:00:00+02:00
Location: CERN

Advancing gravitational wave predictions from cosmological first-order phase transitions

from Monday 25 August 2025 (09:00) to Friday 29 August 2025 (14:00)

Monday 25 August 2025

09:45 Welcome & coffee
Welcome & coffee
09:45 - 10:15
Room: 4/2-011 - TH common room
10:15 Introduction - Simona Procacci (University of Geneva (CH))
Introduction
- Simona Procacci (University of Geneva (CH))
10:15 - 10:30
Room: 4/3-006 - TH Conference Room
10:30 Morning session
Morning session
10:30 - 12:00
Room: 4/3-006 - TH Conference Room
Contributions

10:30 Precise predictions for cosmological phase transitions - Bogumila Swiezewska (University of Warsaw)

11:15 An update on non-perturbative calculations for strong phase transitions - Anna Kormu
12:00 Lunch break
Lunch break
12:00 - 13:30
13:30 Afternoon session
Afternoon session
13:30 - 15:00
Room: 4/3-006 - TH Conference Room
Contributions

13:30 Thermal nucleation in perturbation theory - Joonas Hirvonen (University of Nottingham)

14:15 Cosmological phase transitions without high-temperature expansions - Pablo Navarrete (University of Helsinki)
15:00 Coffee break
Coffee break
15:00 - 15:30
Room: 4/2-011 - TH common room
15:30 Short talks
Short talks
15:30 - 15:45
Room: 4/3-006 - TH Conference Room
Contributions

15:30 Higher-order-operator corrections to phase transitions parameters in dimensional reduction - Luis Gil (Universidad de Granada)

15:35 Finite-temperature bubble-nucleation with shifting scale hierarchies - Maciek Kierkla

15:40 RG-improved Partial Dressing Thermal REsummation for accurate Veff calculations within and beyond the high-T approximation - David Richard Curtin (University of Toronto)
15:45 Panel discussion
Panel discussion
15:45 - 17:00
Room: 4/3-006 - TH Conference Room

18:00 Reception
Reception
18:00 - 19:30
Tuesday 26 August 2025
09:15 Morning session
Morning session
09:15 - 10:00
Room: 4/3-006 - TH Conference Room
Contributions

09:15 Bubble nucleation vs phase mixing around the spinodal temperature - Taehyun Jung (Institute for Basic Science)
10:00 Coffee break
Coffee break
10:00 - 10:30
Room: 4/2-011 - TH common room
10:30 Morning session
Morning session
10:30 - 12:00
Room: 4/3-006 - TH Conference Room
Contributions

10:30 An effective-theory perspective on bubble nucleation and growth - Mikko Sakari Laine (Universitaet Bern (CH))

11:15 Microscopic particle processes during bubble expansion and new high-frequency gravitational waves - Wen-Yuan Ai
12:00 Lunch break
Lunch break
12:00 - 13:30
13:30 Afternoon session
Afternoon session
13:30 - 15:00
Room: 4/3-006 - TH Conference Room
Contributions

13:30 Bubble-wall velocity with loop corrections - Andrii Dashko (DESY Theory)

14:15 Bounds on bubble wall velocity and application to first-order QCD phase transition - Benoit Laurent (CEA / DAM Ile de France (FR))
15:00 Coffee break
Coffee break
15:00 - 15:30
Room: 4/2-011 - TH common room
15:30 Short talks
Short talks
15:30 - 15:40
Room: 4/3-006 - TH Conference Room
Contributions

15:30 Examples of GW from FOPT and WallGo - Liliana Velasco-Sevilla (Sogang University, South Korea)

15:35 Bubble wall velocity from hydrodynamics - Mateusz Zych (University of Warsaw)
15:40
15:40 - 15:45
Room: 4/3-006 - TH Conference Room
Contributions

15:40 Limits of EFTs at finite temperature for strong phase transitions - Fabio Bernardo
15:45 Panel Discussion
Panel Discussion
15:45 - 17:00
Room: 4/3-006 - TH Conference Room
Wednesday 27 August 2025
09:15 Morning session
Morning session
09:15 - 10:00
Room: 4/3-006 - TH Conference Room
Contributions

09:15 Bubble wall dynamics and the electroweak phase transition - Carlo Branchina (Università della Calabria)
10:00 Coffee break
Coffee break
10:00 - 10:30
Room: 4/2-011 - TH common room
10:30 Morning session
Morning session
10:30 - 12:00
Room: 4/3-006 - TH Conference Room
Contributions

10:30 Strong cosmological phase transitions and their gravitational wave signals - Marek Lewicki (University of Warsaw)

11:15 From symmetries to gravitational waves: a self-consistent calculation - Csaba Balazs (Monash University)
12:00 Group picture
Group picture
12:00 - 12:10
Room: 4/3-006 - TH Conference Room

12:10 Lunch break
Lunch break
12:10 - 13:40
14:00 TH Colloquium
TH Colloquium
14:00 - 15:30
Room: 4/3-006 - TH Conference Room
Contributions

14:00 Theory colloquium: New physics with the gravitational waves form early universe phase transitions - Kari Rummukainen
18:30 Social dinner
Social dinner
18:30 - 22:00
Thursday 28 August 2025
09:15 Morning session
Morning session
09:15 - 10:00
Room: 4/3-006 - TH Conference Room
Contributions

09:15 Strong phase transitions and gravitational waves - Thomas Konstandin
10:00 Coffee break
Coffee break
10:00 - 10:30
Room: 4/2-011 - TH common room
10:30 Morning session
Morning session
10:30 - 12:00
Room: 4/3-006 - TH Conference Room
Contributions

10:30 Pulsar Timing Arrays Data in the View of Early Universe Physics - Tina Kakhniashvili

11:15 Acoustic fluid perturbations in first-order phase transitions - Antonino Salvino Midiri (Universite de Geneve (CH))
12:00 Lunch break
Lunch break
12:00 - 13:30
13:30 Afternoon session
Afternoon session
13:30 - 15:00
Room: 4/3-006 - TH Conference Room
Contributions

13:30 Cosmological first-order phase transitions with large bubbles: beyond conformal fluid and flat spacetime - Lorenzo Giombi (University of Helsinki)

14:15 Decay of acoustic turbulence and the resulting gravitational wave predictions - Jani Dahl
15:00 Coffee break
Coffee break
15:00 - 15:30
Room: 4/2-011 - TH common room
15:30 Short talks
Short talks
15:30 - 15:55
Room: 4/3-006 - TH Conference Room
Contributions

15:30 Exploring Parameter Dependence in the Double-Broken Power Law for GW Signals - Eric Madge Pimentel (IFT-UAM/CSIC)

15:35 The complicated story of Primordial Black Holes production in cosmological Phase Transitions - Piotr Toczek (University of Warsaw)

15:40 From equations of state to gravitational wave spectra - Mika Mäki

15:45 Gravitational wave production: the interplay between vortical and compressional motions - Madeline Clara Salome (Universite de Geneve (CH))

15:50 GW fingerprints of inverse FOPTs - Giulio Barni
15:55 Panel Discussion
Panel Discussion
15:55 - 17:05
Room: 4/3-006 - TH Conference Room
Friday 29 August 2025
09:15 Morning session
Morning session
09:15 - 10:00
Room: 4/3-006 - TH Conference Room
Contributions

09:15 Curvature perturbation from first-order phase transitions & A positive-definite formulation of tunneling - Ryusuke Jinno (Kobe University)
10:00 Coffee break
Coffee break
10:00 - 10:30
Room: 4/2-011 - TH common room
10:30 Final overview
Final overview
10:30 - 12:00
Room: 4/3-006 - TH Conference Room
Contributions

10:30 Gravitational waves from first order phase transitions: progress and problems - Mark Hindmarsh (University of Helsinki, University of Sussex)

11:15 Discussion - Chiara Caprini (CERN)

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