Gauss-Bonnet Cosmology with Induced Gravity and Non-Minimally Coupled Scalar Field on the Brane

Abstract

We construct a cosmological model with non-minimally coupled scalar field on the brane, where Gauss-Bonnet and Induced Gravity effects are taken into account. This model has 5D character at both high and low energy limits but reduces to 4D gravity in intermediate scales. While induced gravity is a manifestation of the IR limit of the model, Gauss-Bonnet term and non-minimal coupling of scalar field and induced gravity are essentially related to UV limit of the scenario. We study cosmological implications of this scenario focusing on the late-time behavior of the solutions. In this setup, non-minimal coupling plays the role of an additional fine-tuning parameter that controls the initial density of predicted finite density big bang. Also, non-minimal coupling has important implication on the bouncing nature of the solutions.

33 pages, 12 figures, one table, revised and final version accepted for publication in JCAP

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• COSMOS-$e^{\prime }$- soft Higgsotic attractors
• DBI inflation with a non-minimally coupled Gauss-Bonnet term
• Modified GBIG Scenario as an Alternative for Dark Energy
• A Braneworld Dark Energy Model with Induced Gravity and the Gauss-Bonnet Effect
• Large Non-Gaussianity in Non-Minimally Coupled Derivative Inflation with Gauss-Bonnet Correction
• Gauss-Bonnet braneworld redux: A novel scenario for the bouncing universe
• Thick brane in Rastall gravity
• Interacting generalized ghost dark energy in non-flat universe
• Crossing the Cosmological Constant Line on a Warped DGP Brane
• Observational constraints on Chaplygin cosmology in a braneworld scenario with induced gravity and curvature effect
• Higgs inflation in Gauss-Bonnet braneworld
• Bulk scalar field in brane-worlds with induced gravity inspired by the $\mathcal{L}(R)$ term
• Gauss-Bonnet Braneworld Cosmology with Modified Induced Gravity on the Brane
• $\Lambda$CDM, $\Lambda$DGP and extended phantom-like cosmologies