A 5D Holographic Dark Energy in DGP-Brane Cosmology
H. Farajollahi, A. Ravanpak
TL;DR
This study explores a 5D holographic dark energy model within DGP-brane cosmology, using observational data to analyze cosmic evolution and late-time acceleration, revealing a quintessence-like behavior.
Contribution
It introduces a novel 5D holographic dark energy model in DGP-brane cosmology and fits it to observational data to study cosmic dynamics.
Findings
Effective 4D holographic dark energy behaves as quintessence.
The model predicts a matter-dominated universe followed by late-time acceleration.
Observational data supports the model's consistency with cosmic acceleration.
Abstract
This paper is aimed at investigating a 5D holographic dark energy in DGP-BRANE cosmology by employing a combination of Sne Ia, BAO and CMB observational data to fit the cosmological parameters in the model. We describe the dynamic of a FRW for the normal branch ( = +1) of solutions of the induced gravity brane-world model. We take the matter in 5D bulk as holographic dark energy that its holographic nature is reproduced effectively in 4D. The cosmic evolution reveals that the effective 4D holographic dark energy behaves as quintessence while taking into account the 4D cold dark matter results in matter dominated universe followed by late time acceleration.
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