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pro vyhledávání: '"N. M. Jiménez Cruz"'
In this work, a new generic parameterisation for $f(R)$ theories is presented. Our proposal for a new equation of state can reproduce an $f(R)$-like evolution that describes late and early time universe within 1-$\sigma$ C.L when we use a combination
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::67f1955957061fd83021fd3d1a1c1518
Publikováno v:
International Journal of Modern Physics D. 28:1950167
In this paper we study the cosmological evolution of the universe filled with a perfect fluid in the Eddington-inspired Born-Infeld gravity. Applying an alternative method in which the evolution of the scale factor for this theory is linked to the co