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Not many results contain costesgrav

Search only for "costesgrav" massive gravity with nonminimal coupling?

  1. Oct 23, 2024We explore the cosmological implications of the quasi-dilaton massive gravity theory with a non-minimal kinetic coupling. We investigate the resulting gravitational dynamics by introducing a nonzero mass for the graviton. We derive the complete set of background equations of motion and obtain self-accelerating background solutions to explain the late-time accelerated expansion of the Universe ...
  2. link.aps.org

    The first one is an extension of generalized massive gravity with a nonminimal coupling. On the other hand, the second theory produces a mass term that is different from de Rham, Gabadadze, Tolley construction and trivially has 5 degrees of freedom. Both theories allows for stable cosmological solutions without infinite strong coupling, which ...
    Author:A. Emir Gümrükçüoğlu, Rampei Kimura, Kazuya KoyamaPublished:2020
  3. The first one is an extension of generalized massive gravity with a non-minimal coupling. On the other hand, the second theory produces a mass term that is different from de Rham, Gabadadze, Tolley construction and trivially has 5 degrees of freedom. Both theories allows for stable cosmological solutions without infinite strong coupling, which ...
    Author:A. Emir Gümrükçüoğlu, Rampei Kimura, Kazuya KoyamaPublished:2020
  4. Dec 12, 2024Theoretical predictions from a modified theory of gravity with a nonminimal coupling between matter and curvature are compared to data from recent cosmological surveys. We use type Ia supernovae data from the Pantheon+ sample and the recent 5-year Dark Energy Survey (DES) data release along with baryon acoustic oscillation measurements from the Dark Energy Spectroscopic Instrument (DESI) and ...
  5. researchportal.port.ac.uk

    The first one is an extension of generalized massive gravity with a non-minimal coupling. On the other hand, the second theory produces a mass term that is different from de Rham, Gabadadze, Tolley construction and trivially has 5 degrees of freedom. Both theories allows for stable cosmological solutions without infinite strong coupling, which ...
  6. link.aps.org

    In this paper we investigate the case of nonminimal coupling in the (extended) nonlinear massive gravity theories. We first consider massive gravity in the Brans-Dicke background such that the graviton mass is replaced by A 2 (σ) m where σ is the Brans-Dicke field and A (σ) is the conformal coupling and show that there is no viable thermal history of the Universe in this case.
  7. ui.adsabs.harvard.edu

    The first one is an extension of generalized massive gravity with a nonminimal coupling. On the other hand, the second theory produces a mass term that is different from de Rham, Gabadadze, Tolley construction and trivially has 5 degrees of freedom. Both theories allows for stable cosmological solutions without infinite strong coupling, which ...
  8. waseda.elsevierpure.com

    The first one is an extension of generalized massive gravity with a nonminimal coupling. On the other hand, the second theory produces a mass term that is different from de Rham, Gabadadze, Tolley construction and trivially has 5 degrees of freedom. Both theories allows for stable cosmological solutions without infinite strong coupling, which ...
  9. sciencedirect.com

    In de Rham-Gabadadze-Tolley (dRGT) massive gravity and bi-gravity, a non-minimal matter coupling involving both metrics generically reintroduces the Boulware-Deser (BD) ghost. A non-minimal matter coupling via a simple, yet specific composite metric has been proposed, which eliminates the BD ghost below the strong coupling scale.

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