Inflation in Brane World Gravity

TL;DR

This paper investigates how inflationary dynamics in Brane World gravity differ from standard General Relativity and examines their observational signatures against Planck and WMAP data.

Contribution

It provides a detailed comparison of high energy corrections in Brane World gravity with observational data, highlighting unique features and implications.

Findings

Brane World gravity introduces notable deviations in inflationary predictions.

High energy corrections align with some observational constraints.

Distinct signatures could help differentiate Brane World gravity from standard models.

Abstract

We study the inflationary dynamics in Brane World gravity and look for observational signatures of any deviation from the standard General Relativity based results of Cosmological Perturbation Theory. We first review the standard paradigm of General Relativity based inflationary dynamics and cosmological perturbation theory and then go on to review Brane World gravity. Finally we look at the high energy corrections for some chosen models and compare the results with the Planck and WMAP (9 year) data. Then we make a summary of our results and point out certain interesting features of Brane World gravity based calculations and infer it's implications on Brane World gravity itself.