Threshold effects in open-string theory
High Energy Physics - Theory
2009-10-30 v2
Abstract
We analyze the one-loop effective gauge-field action in -orbifold compactifications of type-I theory. We show how, for non-abelian group factors, the threshold effects are ultraviolet finite though given entirely by a six-dimensional field theory expression.
Cite
@article{arxiv.hep-th/9605028,
title = {Threshold effects in open-string theory},
author = {C. Bachas and C. Fabre},
journal= {arXiv preprint arXiv:hep-th/9605028},
year = {2009}
}
Comments
25 pages, latex. Extra references and minor comments