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

Chiara Caprini (1) , Mikael Chala , Glauber C. Dorsch , Mark Hindmarsh , Stephan J. Huber , Thomas Konstandin , Jonathan Kozaczuk , Germano Nardini , Jose Miguel No , Kari Rummukainen , Pedro Schwaller , Geraldine Servant , Anders Tranberg , David J. Weir

1 APC (UMR_7164) - AstroParticule et Cosmologie

We investigate the potential for observing gravitational waves from cosmological phase transitions with LISA in light of recent theoretical and experimental developments. Our analysis is based on current state-of-the-art simulations of sound waves in the cosmic fluid after the phase transition completes. We discuss the various sources of gravitational radiation, the underlying parameters describing the phase transition and a variety of viable particle physics models in this context, clarifying common misconceptions that appear in the literature and identifying open questions requiring future study. We also present a web-based tool, PTPlot, that allows users to obtain up-to-date detection prospects for a given set of phase transition parameters at LISA.

Mots clés: wave: acoustic; critical phenomena; gravitational radiation; LISA; gravitational radiation: direct detection; gravitational radiation detector; numerical calculations; gravitational radiation: emission; gravitational radiation: power spectrum; Higgs model; energy: density; bubble: nucleation; dark matter; new physics; effective field theory; dilaton; standard model; perturbation theory

Domaines: Astrophysique [astro-ph]; Physique des Hautes Energies - Phénoménologie [hep-ph]

Chiara Caprini, Mikael Chala, Glauber C. Dorsch, Mark Hindmarsh, Stephan J. Huber, et al.. Detecting gravitational waves from cosmological phase transitions with LISA: an update. JCAP, 2020, 03, pp.024. ⟨10.1088/1475-7516/2020/03/024⟩. ⟨hal-02372479⟩