Gravitational-wave versus binary-pulsar tests of strong-field gravity
Open accessAbstract
Binary systems comprising at least one neutron star contain strong gravitational field regions and thereby provide a testing ground for strong-field gravity. Two types of data can be used to test the law of gravity in compact binaries: binary pulsar observations, or forthcoming gravitational-wave observations of inspiralling binaries. We compare the probing power of these two types of observations within a generic two-parameter family of tensor-scalar gravitational theories. Our analysis generalizes previous work (by us) on binary-pulsar tests by using a sample of realistic equations of state for nuclear matter (instead of a polytrope), and goes beyond a previous study (by C. M. Will) of gravitational-wave tests by considering more general tensor-scalar theories than the one-parameter Jordan-Fierz-Brans-Dicke one. Finite-size effects in tensor-scalar gravity are also discussed.
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Binary pulsar observations impose beta_0 > -4.5.
“Binary pulsar observations (Damour and Esposito-Fare `se 1998;Esposito-Fare `se 2005) impose that b 0 [ À 4:5.”
From Fundamental constants: from measurement to the universe, a window on gravitation and cosmology (2025) · cites this paper as Damour and Esposito-Fare `se 1998
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References 32 · Cited by 249
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- Authors
- Damour, T., & Esposito-Farèse, G.
- Affiliations
- Centre National de la Recherche Scientifique (FR)
- Venue
- Physical Review D
- Publisher
- American Physical Society (APS)
- Published
- 1998-07-16
- Volume
- 58
- Issue
- 4
- ISSN
- 0556-2821 (ISSN-L)
- 1089-4918
- OpenAlex
- W2055203112
- Cited by
- 249
- References
- 32
- Citations by year
- 2026: 4 · 2025: 9 · 2024: 10 · 2023: 9 · 2022: 7 · 2021: 7 · 2020: 12 · 2019: 9 · 2018: 22 · 2017: 9 · 2016: 13 · 2015: 22 · 2014: 15 · 2013: 15 · 2012: 15
- FWCI
- 3.80
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- CERN Document Server (European Organization for Nuclear Research) (submittedVersion)
- arXiv (Cornell University)
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Pulsars and Gravitational Waves Research
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Cosmology and Gravitation Theories
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Relativity and Gravitational Theory
- Keywords
- strong-field gravity, binary pulsars, gravitational waves, compact binaries, neutron stars, modified gravity, finite-size effects, binary inspiral
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