Heterotic Cosmic Strings
High Energy Physics - Theory
2008-11-26 v2
Abstract
We show that all three conditions for the cosmological relevance of heterotic cosmic strings, the right tension, stability and a production mechanism at the end of inflation, can be met in the strongly coupled M-theory regime. Whereas cosmic strings generated from weakly coupled heterotic strings have the well known problems posed by Witten in 1985, we show that strings arising from M5-branes wrapped around 4-cycles (divisors) of a Calabi-Yau in heterotic M-theory compactifications, solve these problems in an elegant fashion.
Keywords
Cite
@article{arxiv.hep-th/0510066,
title = {Heterotic Cosmic Strings},
author = {Katrin Becker and Melanie Becker and Axel Krause},
journal= {arXiv preprint arXiv:hep-th/0510066},
year = {2008}
}
Comments
25 pages, v2: section and references added