The Interface of Cosmology with String and M(ILLENNIUM) Theory
Damien A. Easson
TL;DR
This review explores recent advances at the intersection of cosmology with string and M-theory, covering early universe models, brane gases, and extra-dimensional theories.
Contribution
It provides a comprehensive overview of modifications to string cosmology, including p-brane gases, Pre-Big-Bang scenarios, and brane world models, highlighting recent developments.
Findings
Modified string cosmology with p-brane gases
Discussion of Pre-Big-Bang and M-theory models
Analysis of large extra dimensions and brane world scenarios
Abstract
The purpose of this review is to discuss recent developments occurring at the interface of cosmology with string and M-theory. We begin with a short review of 1980s string cosmology and the Brandenberger-Vafa mechanism for explaining spacetime dimensionality. It is shown how this scenario has been modified to include the effects of p-brane gases in the early universe. We then introduce the Pre-Big-Bang scenario (PBB), Ho\v{r}ava-Witten heterotic M-theory and the work of Lukas, Ovrut and Waldram, and end with a discussion of large extra dimensions, the Randall-Sundrum model and Brane World cosmologies.
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