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f(R) gravity and Tsallis holographic dark energy

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 Fried...

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Bibliographic Details
Published in:Europhysics letters 2020-08, Vol.131 (4), p.40007
Main Authors: Ens, P. S., Santos, A. F.
Format: Article
Language:English
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Summary: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.
ISSN:0295-5075
1286-4854
1286-4854
DOI:10.1209/0295-5075/131/40007