Large-Volume String Compactifications, Revisited
Abstract
We reconsider the issue of large-volume compactifications of the heterotic string in light of the recent discoveries about strongly-coupled string theories. Our conclusion remains firmly negative with respect to classical compactifications of the ten-dimensional field theory, albeit for a new reason: When the internal sixfold becomes large in heterotic units, the theory acquires an additional threshold at energies much less then the naive Kaluza-Klein scale. It is this additional threshold that imposes the ultimate limit on the compactification scale: Any compactification must have M_{Kaluza Klein} > 4*10^7 Gev; for most compactifications, the actual limit is much higher. (Generically, M_{Kaluza Klein} > alpha_{GUT} M_{Planck} in either SO(32) or E_8*E_8 heterotic string.)
Cite
@article{arxiv.hep-th/9606036,
title = {Large-Volume String Compactifications, Revisited},
author = {Elena Caceres and Vadim S. Kaplunovsky and I. Michael Mandelberg},
journal= {arXiv preprint arXiv:hep-th/9606036},
year = {2009}
}
Comments
46 pages, uses phyzzx.tex macros, no figures