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$f (R)$ $f (R)$ gravity model for dark energy and dark matter

Jiwon Park

Department of Physics and Origin of Matter and Evoultion of Galaxies Institute, Soongsil University, Seoul 06978, Korea

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and

Tae Hoon Lee

Department of Physics and Origin of Matter and Evoultion of Galaxies Institute, Soongsil University, Seoul 06978, Korea

E-mail Address: thlee@ssu.ac.kr

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https://doi.org/10.1142/S0217732323500475Cited by:4 (Source: Crossref)

Abstract

In this paper, we suggest an $f (R)$ $f (R)$ gravity model for the dark energy, which can also be applied for a kind of galactic dark matter. Constructing the $f (R)$ $f (R)$ gravitational Lagrangians by Legendre transform from scalar-tensor theories, we study a future behavior of the late-time accelerating Universe as well as a subsequent behavior of an inflation model. Moreover, we discuss possible relations to the galactic dark matter, with a spherically symmetric solution for the static metric in our $f (R)$ $f (R)$ model.

Keywords:

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