Measuring the propagation speed of gravitational waves with LISA

Baker, Tessa; Calcagni, Gianluca; Chen, Anson; Fasiello, Matteo; Lombriser, Lucas; Martinovic, Katarina; Pieroni, Mauro; Sakellariadou, Mairi; Tasinato, Gianmassimo; Bertacca, Daniele; Saltas, Ippocratis D.

doi:10.1088/1475-7516/2022/08/031

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Measuring the propagation speed of gravitational waves with LISA

Tessa Baker, Gianluca Calcagni, Anson Chen, Matteo Fasiello, Lucas Lombriser, Katarina Martinovic, Mauro Pieroni, Mairi Sakellariadou, Gianmassimo Tasinato

, Daniele Bertacca, Ippocratis D. Saltas

Journal of Cosmology and Astroparticle Physics, Volume: 2022, Issue: 08, Start page: 031

Swansea University Author: Gianmassimo Tasinato

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DOI (Published version): 10.1088/1475-7516/2022/08/031

Abstract

The propagation speed of gravitational waves, cT, has been tightly constrained by the binary neutron star merger GW170817 and its electromagnetic counterpart, under the assumption of a frequency-independent cT. Drawing upon arguments from Effective Field Theory and quantum gravity, we discuss the po...

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Published in:	Journal of Cosmology and Astroparticle Physics
ISSN:	1475-7516
Published:	IOP Publishing 2022
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URI:	https://cronfa.swan.ac.uk/Record/cronfa60510
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spelling	2022-11-07T10:50:21.8934294 v2 60510 2022-07-15 Measuring the propagation speed of gravitational waves with LISA cb754b073d1e4949c5e3db97744d3301 0000-0002-9835-4864 Gianmassimo Tasinato Gianmassimo Tasinato true false 2022-07-15 SPH The propagation speed of gravitational waves, cT, has been tightly constrained by the binary neutron star merger GW170817 and its electromagnetic counterpart, under the assumption of a frequency-independent cT. Drawing upon arguments from Effective Field Theory and quantum gravity, we discuss the possibility that modifications of General Relativity allow for transient deviations of cT from the speed of light at frequencies well below the band of current ground-based detectors. We motivate two representative Ansätze for cT(f), and study their impact upon the gravitational waveforms of massive black hole binary mergers detectable by the LISA mission. We forecast the constraints on cT(f) obtainable from individual systems and a population of sources, from both inspiral and a full inspiral-merger-ringdown waveform. We show that LISA will enable us to place stringent independent bounds on departures from General Relativity in unexplored low-frequency regimes, even in the absence of an electromagnetic counterpart. Journal Article Journal of Cosmology and Astroparticle Physics 2022 08 031 IOP Publishing 1475-7516 Gravitational waves in GR and beyond: theory, modified gravity 17 8 2022 2022-08-17 10.1088/1475-7516/2022/08/031 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University SU Library paid the OA fee (TA Institutional Deal) None 2022-11-07T10:50:21.8934294 2022-07-15T17:43:40.3494128 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Tessa Baker 1 Gianluca Calcagni 2 Anson Chen 3 Matteo Fasiello 4 Lucas Lombriser 5 Katarina Martinovic 6 Mauro Pieroni 7 Mairi Sakellariadou 8 Gianmassimo Tasinato 0000-0002-9835-4864 9 Daniele Bertacca 10 Ippocratis D. Saltas 11 60510__25073__df90863021a64e1fa48f6014330d02a4.pdf 60510_VoR.pdf 2022-09-05T15:10:23.7988362 Output 6397940 application/pdf Version of Record true Copyright: 2022 The Author(s). Released under the terms of the Creative Commons Attribution 4.0 licence true eng http://creativecommons.org/licenses/by/4.0/
title	Measuring the propagation speed of gravitational waves with LISA
spellingShingle	Measuring the propagation speed of gravitational waves with LISA Gianmassimo Tasinato
title_short	Measuring the propagation speed of gravitational waves with LISA
title_full	Measuring the propagation speed of gravitational waves with LISA
title_fullStr	Measuring the propagation speed of gravitational waves with LISA
title_full_unstemmed	Measuring the propagation speed of gravitational waves with LISA
title_sort	Measuring the propagation speed of gravitational waves with LISA
author_id_str_mv	cb754b073d1e4949c5e3db97744d3301
author_id_fullname_str_mv	cb754b073d1e4949c5e3db97744d3301_***_Gianmassimo Tasinato
author	Gianmassimo Tasinato
author2	Tessa Baker Gianluca Calcagni Anson Chen Matteo Fasiello Lucas Lombriser Katarina Martinovic Mauro Pieroni Mairi Sakellariadou Gianmassimo Tasinato Daniele Bertacca Ippocratis D. Saltas
format	Journal article
container_title	Journal of Cosmology and Astroparticle Physics
container_volume	2022
container_issue	08
container_start_page	031
publishDate	2022
institution	Swansea University
issn	1475-7516
doi_str_mv	10.1088/1475-7516/2022/08/031
publisher	IOP Publishing
college_str	Faculty of Science and Engineering
hierarchytype
hierarchy_top_id	facultyofscienceandengineering
hierarchy_top_title	Faculty of Science and Engineering
hierarchy_parent_id	facultyofscienceandengineering
hierarchy_parent_title	Faculty of Science and Engineering
department_str	School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
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description	The propagation speed of gravitational waves, cT, has been tightly constrained by the binary neutron star merger GW170817 and its electromagnetic counterpart, under the assumption of a frequency-independent cT. Drawing upon arguments from Effective Field Theory and quantum gravity, we discuss the possibility that modifications of General Relativity allow for transient deviations of cT from the speed of light at frequencies well below the band of current ground-based detectors. We motivate two representative Ansätze for cT(f), and study their impact upon the gravitational waveforms of massive black hole binary mergers detectable by the LISA mission. We forecast the constraints on cT(f) obtainable from individual systems and a population of sources, from both inspiral and a full inspiral-merger-ringdown waveform. We show that LISA will enable us to place stringent independent bounds on departures from General Relativity in unexplored low-frequency regimes, even in the absence of an electromagnetic counterpart.
published_date	2022-08-17T04:18:40Z
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score	11.014067

Measuring the propagation speed of gravitational waves with LISA

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