Shape of the acoustic gravitational wave power spectrum from a first order phase transition

2017/04/30 by Mark Hindmarsh, Stephan J. Huber, Kari Rummukainen +2 · 14 citations
Physics and Astronomy · #Astrophysics #Astrophysics and Cosmic Phenomena #Classical mechanics #Cosmology and Gravitation Theories #Electroweak interaction #Gravitation #Gravitational wave #Gravitational wave background #Gravitational-wave observatory #Ideal (ethics) #Observatory #Order (exchange) #Phase (matter) #Phase transition #Physics #Pulsars and Gravitational Waves Research #Quantum mechanics #Universe #astro-ph.CO #hep-ph

paper · pdf · doi:10.1103/physrevd.96.103520

published as Phys. Rev. D 96, 103520 (2017); Erratum: Phys. Rev. D 101, 089902 (2020) · 16+1 pages, 9+1 figures; v2: added a few paragraphs about the importance of turbulence, published in PRD; v3: added erratum correcting two equations and the SNR plot, methods and conclusions unchanged

openalex publication_date 2017/11/16 · arxiv created 2020/04/15 · arxiv updated 2020/04/16 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

The authors present the largest numerical simulations to date of first order phase transitions in the early universe, in order to explore the shape of acoustically generated gravitational waves and forecast the prospects for detection with LISA. The latter, a space-based gravitational wave observatory due to launch in about a decade, is an ideal instrument to observe gravitational wave signals from phase transitions in the electroweak era, corresponding to roughly 10 pico-seconds after the big bang.

Citations

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