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Cited by 26Cosmology and Gravitation TheoriesStellar, planetary, and galactic studiesPulsars and Gravitational Waves Research

The DOI matches its Crossref record.

Stellar pulsations in beyond Horndeski gravity theories

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Sakstein, Jeremy, Kenna-Allison, Michael, Koyama, Kazuya·2017·Journal of Cosmology and Astroparticle Physics
DOI 10.1088/1475-7516/2017/03/007
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Abstract

Theories of gravity in the beyond Horndeski class recover the predictions of general relativity in the solar system whilst admitting novel cosmologies, including late-time de Sitter solutions in the absence of a cosmological constant. Deviations from Newton's law are predicted inside astrophysical bodies, which allow for falsifiable, smoking-gun tests of the theory. In this work we study the pulsations of stars by deriving and solving the wave equation governing linear adiabatic oscillations to find the modified period of pulsation. Using both semi-analytic and numerical models, we perform a preliminary survey of the stellar zoo in an attempt to identify the best candidate objects for testing the theory. Brown dwarfs and Cepheid stars are found to be particularly sensitive objects and we discuss the possibility of using both to test the theory.

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Crossref · 10.1088/1475-7516/2017/03/007

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  • Brown dwarfs and Cepheid stars are particularly sensitive to tests of beyond Horndeski models.

    “They found that brown dwarfs and Cepheid stars are particularly sensitive to such tests.”

    From Testing general relativity in cosmology (2019) · cites this paper as Sakstein et al. 2017b

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Metadata

Authors
Sakstein, J., Kenna-Allison, M., & Koyama, K.
Affiliations
University of Portsmouth (GB)
ORCID
Sakstein, Jeremy
Venue
Journal of Cosmology and Astroparticle Physics
Publisher
IOP Publishing
Published
2017-03-06
Volume
2017
Issue
03
Pages
007-007
ISSN
  • 1475-7508 (ISSN-L)
  • 1475-7516
DOI
10.1088/1475-7516/2017/03/007
OpenAlex
W2546598378
Cited by
26
References
0
Citations by year
2025: 1 · 2024: 1 · 2023: 4 · 2022: 2 · 2021: 1 · 2020: 4 · 2019: 5 · 2018: 5 · 2017: 3
FWCI
2.54
Type
journal article
Language
en
Open access
Licence
Locations
  • Journal of Cosmology and Astroparticle Physics (publishedVersion)
  • arXiv (Cornell University) (publishedVersion)
  • arXiv (Cornell University)
Funders
  • University of Portsmouth
  • South East Physics Network
  • Science and Technology Facilities Council (ST/N000668/1)
  • H2020 European Research Council (646702)
Topics
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Cosmology and Gravitation Theories
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Stellar, planetary, and galactic studies
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Pulsars and Gravitational Waves Research
Keywords
modified gravity, stellar pulsation, adiabatic oscillations, MOND, brown dwarfs, Cepheid variable stars, pulsation periods, tests of gravity, de Sitter cosmology

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