Asymptotic cosmological solutions for string/brane gases with solitonic fluxes

TL;DR

This paper introduces new cosmological solutions involving brane gases and solitonic fluxes that could explain why three spatial dimensions are large, highlighting the role of fluxes in string and M-theory cosmology.

Contribution

It presents novel asymptotic solutions for brane gases with fluxes, linking ten- and eleven-dimensional models within the Brandenberger-Vafa framework.

Findings

Fluxes are crucial for explaining three large spatial dimensions.

Asymptotic equivalence between string and M2-brane gas dynamics.

Potential general connection between ten- and eleven-dimensional models.

Abstract

We present new cosmological solutions for brane gases with solitonic fluxes that can dynamically explain the existence of three large spatial dimensions. This reasserts the importance of fluxes for understanding the full space of solutions in a potential implementation of the Brandenberger-Vafa mechanism with M2-branes. Additionally, we study a particular example in which the cosmological dynamics supported by a string gas with a NS flux in the ten-dimensional dilaton gravity framework is asymptotically equivalent to that of a M2-brane gas with a certain wrapping configuration in eleven-dimensional supergravity. We speculate that this connection between the ten- and eleven-dimensional implementations of the Brandenberger-Vafa mechanism could be a general feature.