Newton law corrections and instabilities in f(R) gravity with the effective cosmological constant epoch

2007/06/15 by Shin'ichi Nojiri, Shin’ichi Nojiri, Sergei D. Odintsov · 21 citations
Earth and Planetary Sciences · Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Geophysics and Gravity Measurements #astro-ph #gr-qc #hep-th

paper · pdf · doi:10.1016/j.physletb.2007.07.039

published as Phys.Lett.B652:343-348,2007 · LaTeX file, 9 pages, correction/clarification is made

arxiv created 2007/06/15 · openalex publication_date 2007/07/26 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/31

Abstract

We consider class of modified f(R) gravities with the effective cosmological constant epoch at the early and late universe. Such models pass most of solar system tests as well they satisfy to cosmological bounds. Despite their very attractive properties, it is shown that one realistic class of such models may lead to significant Newton law corrections at large cosmological scales. Nevertheless, these corrections are small at solar system as well as at the future universe. Another realistic model with acceptable Newton law regime shows the matter instability.

Citations

• Curvature Quintessence

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