Holographic Dark Energy from a Modified GBIG Scenario

TL;DR

This paper develops a holographic dark energy model within a braneworld framework incorporating Gauss-Bonnet curvature, modified gravity, and scalar field interactions, aiming to explain cosmic acceleration.

Contribution

It introduces a novel holographic dark energy model based on a modified GBIG scenario with scalar field coupling and perturbative analysis of gravity on the brane.

Findings

Effective gravitational constant derived on the brane.

Model's potential to explain dark energy phenomena.

Insights into modifications of gravity in braneworld cosmology.

Abstract

We construct a holographic dark energy model in a braneworld setup that gravity is induced on the brane embedded in a bulk with Gauss-Bonnet curvature term. We include possible modification of the induced gravity and its coupling with a canonical scalar field on the brane. Through a perturbational approach to calculate the effective gravitation constant on the brane, we examine the outcome of this model as a candidate for holographic dark energy.