$f(R)$ gravity and Tsallis holographic dark energy (2008.04289v1)

Published 10 Aug 2020 in gr-qc

Abstract: The $f(R)$ gravity theory is considered. It is a gravitational theory that generalizes the Einstein-Hilbert action. In this context, a holographic dark energy model is studied. Tsallis non-extensive entropy is used to introduce the dark energy density based on the holographic principle. Then the Friedmann equation, deceleration parameter, and equation of state for this model are investigated.

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