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

By C. Caprini, M. Chala, G. Dorsch, M. Hindmarsh, S. Huber, T. Konstandin, J. Kozaczuk, G. Nardini, J. No, K. Rummukainen and 4 more. Journal of Cosmology and Astroparticle Physics, 2019

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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.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/2a082ccd2ce5c80e6d7933b9f9f18795843a9d9e

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Citations in the corpus

Model-independent energy budget of cosmological first-order phase transitions—A sound argument to go beyond the bag model (2020, background): “on. This is the quantity of interest of our work and we will elaborate on its determination below. A numerical prefactor that is obtained from lattice simulations [21{24]. For more details, see e.g. [25,26]. The fraction of energy that is converted into uid motion can be determined by solving the hy”
Theoretical uncertainties for cosmological first-order phase transitions (2020, methodology): “The frequency window of space-based interferometer experiments, such as LISA, may probe the nature of the electroweak phase transition which typically produce a gravitational wave background peaking in the mHz range [5, 6].”
Updated predictions for gravitational waves produced in a strongly supercooled phase transition (2020, background): “to be related to the Z0mass by V ˇ0:003m4 Z0: (3.9) 2In the case of a weak transition with the wall velocity dictated by strong interaction with the plasma, this expression needs a slight modication [85]. { 5 { This causes a translation of the beginning of the vacuum-energy-dominated period, which h”
Baryogenesis from the weak scale to the grand unification scale (2020, background): “Particularly stringent are the following upper bounds on the electron dipole moment (EDM) obtained by the ACME eperiment (Baron et al., 2014; Andreev 13 There is extensive literature on GWs from first-order phase transitions that lead to signals in the sensitivity range of LISA (Caprini et al., 2020”
Improved reconstruction of a stochastic gravitational wave background with LISA (2020, methodology): “[28, 29] for a dedicated analysis for LISA).”
Matter-wave Atomic Gradiometer Interferometric Sensor (MAGIS-100) (2021, neutral): “Furthermore, thermal phase transitions in the early Universe at scales above the weak scale [79–87], or quantum tunneling transitions in cold hidden sectors [88], or networks of cosmic strings [89], or collapsing domain walls [90], or axion dynamics in the early Universe [91, 92], may produce…”
Bubble wall velocity: heavy physics effects (2020, background): “This different distribution of energy has important phenomenological consequences on the spectrum of stochastic gravitational wave background since the bubble wall collisions signal Ωφ and plasma motion signal Ωsw lead to different shape of the spectrum (see for example [26]).”
Towards an all-orders calculation of the electroweak bubble wall velocity (2020, methodology): “The average size reached by the bubbles at collision, R∗, is set by the typical separation between bubble centers [10], R∗ ' (8π)1/3β−1 , (6.”