Advancing gravitational wave predictions from cosmological first-order phase transitions

from Monday, 25 August 2025 (09:00) to Friday, 29 August 2025 (14:00)
CERN (4/3-006)

        : Sessions
    /     : Talks
        : Breaks
25 Aug 2025
26 Aug 2025
27 Aug 2025
28 Aug 2025
29 Aug 2025
AM
09:45 Welcome & coffee   (4/2-011 - TH common room)
10:15 Introduction - Simona Procacci (University of Geneva (CH))  
10:30
Microscopic scales - Philipp Schicho (University of Geneva) (until 12:00)
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  
09:15
Microscopic scales - Alberto Roper Pol (until 10:00)
09:15 Bubble nucleation vs phase mixing around the spinodal temperature - Taehyun Jung (Institute for Basic Science)  
10:00 --- Coffee break ---
10:30
Intermediate scales - Alberto Roper Pol (until 12:00)
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  
09:15
Intermediate scales - Chiara Caprini (CERN) (until 10:00)
09:15 Bubble wall dynamics and the electroweak phase transition - Carlo Branchina (Università della Calabria)  
10:00 --- Coffee break ---
10:30
Intermediate scales - Chiara Caprini (CERN) (until 12:00)
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)  
09:15
Macroscopic scales - Hyun Min Lee (until 10:00)
09:15 Strong phase transitions and gravitational waves - Thomas Konstandin  
10:00 --- Coffee break ---
10:30
Macroscopic scales - Hyun Min Lee (until 12:00)
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))  
09:15
Macroscopic scales - Seong Chan Park (until 10:00)
09:15 Curvature perturbation from first-order phase transitions & A positive-definite formulation of tunneling - Ryusuke Jinno (Kobe University)  
10:00 --- Coffee break ---
10:30
Special contribution - Chiara Caprini (CERN) (until 12:00)
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)  
PM
12:00 --- Lunch break ---
13:30
Microscopic scales - Hyun Min Lee (until 15:00)
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 ---
15:30
Microscopic scales - Philipp Schicho (University of Geneva) (until 15:45)
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
Microscopic scales - Philipp Schicho (University of Geneva) (until 17:00)
18:00 --- Reception ---
12:00 --- Lunch break ---
13:30
Intermediate scales - Seong Chan Park (until 15:00)
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 ---
15:30
Intermediate scales - Jorinde van de Vis (CERN) (until 15:40)
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
Microscopic scales - Jorinde van de Vis (CERN) (until 15:45)
15:40 Limits of EFTs at finite temperature for strong phase transitions - Fabio Bernardo  
15:45
Intermediate scales - Jorinde van de Vis (CERN) (until 17:00)
12:00 Group picture  
12:10 --- Lunch break ---
14:00
Special contribution - Jorinde van de Vis (CERN) (until 15:30)
14:00 Theory colloquium: New physics with the gravitational waves form early universe phase transitions - Kari Rummukainen  
18:30 --- Social dinner ---
12:00 --- Lunch break ---
13:30
Macroscopic scales - Simona Procacci (University of Geneva (CH)) (until 15:00)
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 ---
15:30
Macroscopic scales - Alberto Roper Pol (until 15:55)
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
Macroscopic scales - Alberto Roper Pol (until 17:05)