Perturbative gravitational couplings and Siegel modular forms in $D=4,N=2$ string models
High Energy Physics - Theory
2009-10-30 v2
Abstract
We consider four-parameter string models with Hodge numbers and , and we express their perturbative Wilsonian gravitational coupling in terms of Siegel modular forms.
Keywords
Cite
@article{arxiv.hep-th/9612200,
title = {Perturbative gravitational couplings and Siegel modular forms in $D=4,N=2$ string models},
author = {G. L. Cardoso},
journal= {arXiv preprint arXiv:hep-th/9612200},
year = {2009}
}
Comments
8 pages, Latex 2.09, Contribution to the Proceedings of the 30th International Symposium Ahrenshoop on the Theory of Elementary Particles, Buckow, August 27-31, 1996