Moving Five-Branes in Low-Energy Heterotic M-Theory
High Energy Physics - Theory
2009-11-07 v1
Abstract
We construct cosmological solutions of four-dimensional effective heterotic M-theory with a moving five-brane and evolving dilaton and T modulus. It is shown that the five-brane generates a transition between two asymptotic rolling-radii solutions. Moreover, the five-brane motion always drives the solutions towards strong coupling asymptotically. We present an explicit example of a negative-time branch solution which ends in a brane collision accompanied by a small-instanton transition. The five-dimensional origin of some of our solutions is also discussed.
Keywords
Cite
@article{arxiv.hep-th/0106285,
title = {Moving Five-Branes in Low-Energy Heterotic M-Theory},
author = {Edmund J. Copeland and James Gray and Andre Lukas},
journal= {arXiv preprint arXiv:hep-th/0106285},
year = {2009}
}
Comments
16 pages, Latex, 3 eps figures