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  1. We revisit the question of viability of bigravity cosmology as a candidate for dark energy. In the context of the low energy limit model, where matter couples to a single metric, we study linear perturbations around homogeneous and isotropic backgrounds to derive the Poisson's equation for the Newtonian potential. Extending to second order perturbations, we identify the Vainshtein radius ...
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  3. link.aps.org

    We revisit the question of viability of bigravity cosmology as a candidate for dark energy. In the context of the low energy limit model, where matter couples to a single metric, we study linear perturbations around homogeneous and isotropic backgrounds to derive the Poisson's equation for the Newtonian potential. Extending to second order perturbations, we identify the Vainshtein radius below ...
    Author:Michael Kenna-Allison, A. Emir Gumrukcuoglu, Kazuya KoyamaPublished:2019
  4. We revisit the question of viability of bigravity cosmology as a candidate for dark energy. In the context of the low energy limit model, where matter couples to a single metric, we study linear perturbations around homogeneous and isotropic backgrounds to derive the Poisson's equation for the Newtonian potential. Extending to second order perturbations, we identify the Vainshtein radius below ...
    Author:Michael Kenna-Allison, A. Emir Gumrukcuoglu, Kazuya KoyamaPublished:2019
  5. researchportal.port.ac.uk

    We revisit the question of viability of bigravity cosmology as a candidate for dark energy. In the context of the low energy limit model, where matter couples to a single metric, we study linear perturbations around homogeneous and isotropic backgrounds to derive the Poisson's equation for the Newtonian potential. Extending to second order perturbations, we identify the Vainshtein radius below ...
    Author:Michael Kenna-Allison, A. Emir Gumrukcuoglu, Kazuya KoyamaPublished:2019
  6. inspirehep.net

    We revisit the question of viability of bigravity cosmology as a candidate for dark energy. In the context of the low energy limit model, where matter couples to a single metric, we study linear perturbations around homogeneous and isotropic backgrounds to derive the Poisson's equation for the Newtonian potential. Extending to second order perturbations, we identify the Vainshtein radius ...
  7. indico.cern.ch

    Bigravity has been studied as an alternative dark energy model due to the lack of stable cosmological solutions of pure dRGT massive gravity. In this talk we investigate the low energy limit of bigravity, a viable and testable model that is distinguishable from GR and study how viable this model is for dark energy.
  8. paperswithcode.com

    We revisit the question of viability of bigravity cosmology as a candidate for dark energy. In the context of the low energy limit model, where matter couples to a single metric, we study linear perturbations around homogeneous and isotropic backgrounds to derive the Poisson's equation for the Newtonian potential.
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