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  1. Theories of gravity in the beyond Horndeski class encompass a wide range of scalar-tensor theories that will be tested on cosmological scales over the coming decade. In this work, we investigate the possibility of testing them in the strong-field regime by looking at the properties of compact objects-neutron, hyperon, and quark stars-embedded in an asymptotically de Sitter space-time, for a ...
    Author:Jeremy Sakstein, Eugeny Babichev, Kazuya Koyama, David Langlois, Ryo SaitoPublished:2017
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  3. II. BEYOND HORNDESKI THEORIES Beyond Horndeski theories [24, 25] are a very broad class of scalar-tensor theories that exhibit interesting properties that make them perfect paragons for alterna-tive gravity theories. The e ects of modi ed gravity are hidden, or screened, in the solar system by the Vainshtein mechanism [48] and so classical ...
    Author:Jeremy Sakstein, Eugeny Babichev, Kazuya Koyama, David Langlois, Ryo SaitoPublished:2017
  4. Towards strong field tests of beyond Horndeski gravity theories Jeremy Sakstein,1,2,* Eugeny Babichev,3,† Kazuya Koyama,2,‡ David Langlois,4,§ and Ryo Saito5,∥ 1Center for Particle Cosmology, Department of Physics and Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104, USA 2Institute of Cosmology and Gravitation, University of Portsmouth ...
  5. researchportal.port.ac.uk

    Towards strong field tests of beyond Horndeski gravity theories. Jeremy Sakstein ... We find that the maximum mass of hyperon stars can be larger than 2M ⊙ for small values of the beyond Horndeski parameter, thus providing a resolution of the hyperon puzzle based on modified gravity. Moreover, stable quark stars exist when hyperonic stars are ...
    Author:Jeremy Sakstein, Eugeny Babichev, Kazuya Koyama, David Langlois, Ryo SaitoPublished:2017
  6. link.aps.org

    Theories of gravity in the beyond Horndeski class encompass a wide range of scalar-tensor theories that will be tested on cosmological scales over the coming decade. In this work, we investigate the possibility of testing them in the strong field regime by looking at the properties of compact objects---neutron, hyperon, and quark stars---embedded in an asymptotically de Sitter space-time, for ...
  7. semanticscholar.org

    DOI: 10.1103/PhysRevD.95.064013 Corpus ID: 56350968; Towards strong field tests of beyond Horndeski gravity theories @article{Sakstein2016TowardsSF, title={Towards strong field tests of beyond Horndeski gravity theories}, author={Jeremy Sakstein and Eugeny Babichev and Kazuya Koyama and David Langlois and Ryo Saito}, journal={Physical Review D}, year={2016}, volume={95}, pages={064013}, url ...
  8. arxiver.moonhats.com

    Towards Strong Field Tests of Beyond Horndeski Gravity Theories [CL] Posted on December 14, ... Theories of gravity in the beyond Horndeski class encompass a wide range of scalar-tensor theories that will be tested on cosmological scales over the coming decade. In this work, we investigate the possibility of testing them in the strong-field ...
  9. Towards strong field tests of beyond Horndeski gravity theories PHYSICAL REVIEW D 95, 064013 (2017) Towards strong field tests of beyond Horndeski gravity theories Jeremy Sakstein,1,2,* Eugeny Babichev,3,† Kazuya Koyama,2,‡ David Langlois,4,§ and Ryo Saito5,∥ 1 Center for Particle Cosmology, Department of Physics and Astronomy, University of Pennsylvania, 209 South 33rd Street ...

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