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Cosmological dynamics of exponential gravity

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arxiv 0706.1375 v1 pith:YUNVTV77 submitted 2007-06-10 gr-qc astro-phhep-th

M. Abdelwahab , S Carloni , P K. S. Dunsby This is my paper · ORCID
classification gr-qcastro-phhep-th
keywords cosmologicaldynamicsgravityacceleratingadmitapplyapproachasymptotic
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abstract

We present a detailed investigation of the cosmological dynamics based on $\exp (-R/{\Lambda})$ gravity. We apply the dynamical system approach to both the vacuum and matter cases and obtain exact solutions and their stability in the finite and asymptotic regimes. The results show that cosmic histories exist which admit a double de-Sitter phase which could be useful for describing the early and the late-time accelerating universe.

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Cited by 1 Pith paper

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  1. Rotating Fermion-Boson Stars in $R$-squared Gravity

    gr-qc 2026-07 conditional novelty 6.0 of 10

    R-squared gravity enlarges the equilibrium domain of rotating fermion-boson stars and raises static and Keplerian maximum masses relative to GR while remaining compatible with current compact-object constraints.

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