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Note on the Evolution of the Gravitational Potential in Rastall Scalar Field Theories

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arxiv 1109.2096 v2 pith:AHYJPU3G submitted 2011-09-09 astro-ph.CO gr-qc

J. C. Fabris , M. Hamani Daouda , O. F. Piattella This is my paper · ORCID
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keywords componentevolutionfieldgammagravitationalpotentialrastallscalar
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abstract

We investigate the evolution of the gravitational potential in Rastall scalar field theories. In a single component model a consistent perturbation theory, formulated in the newtonian gauge, is possible only for $\gamma = 1$, which is the General Relativity limit. On the other hand, the addition of another canonical fluid component allows also to consider the case $\gamma \neq 1$.

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Cited by 2 Pith papers

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    gr-qc 2025-02 reject novelty 2.0 of 10

    A fit of Hu-Sawicki f(R) gravity with a fitted neutrino interaction to CMB, lensing, BAO, CC, and Pantheon data returns H0 near 70 km/s/Mpc, partially easing but not resolving the Hubble and S8 tensions.

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