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

2019/10/31 by Chiara Caprini, Mikael Chala, M. Chala +16 · 104 citations
Physics and Astronomy · #Cosmology and Gravitation Theories #Particle physics theoretical and experimental studies #Pulsars and Gravitational Waves Research #astro-ph.CO #hep-ph

paper · pdf · doi:10.1088/1475-7516/2020/03/024

68 pages, 16 figures, some comments added, typos fixed

openalex publication_date 2020/03/10 · arxiv created 2021/01/12 · arxiv updated 2021/01/13 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/03

Abstract

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.

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