Universal Singlets, Supergravity and Inflation
High Energy Physics - Phenomenology
2009-11-07 v2 Astrophysics
General Relativity and Quantum Cosmology
Abstract
In supersymmetric theories, the occurrence of universal singlets is a delicate issue, because they usually induce tadpoles that destabilize the hierarchy. We study the effects of these tadpoles in supersymmetric hybrid inflation models. The resulting scenario is generically modified, but it is still possible to achieve inflation in a natural way. It is argued that singlets, despite the problems associated with their presence, can lead to interesting cosmological consequences.
Keywords
Cite
@article{arxiv.hep-ph/0107322,
title = {Universal Singlets, Supergravity and Inflation},
author = {Lotfi Boubekeur and Gianmassimo Tasinato},
journal= {arXiv preprint arXiv:hep-ph/0107322},
year = {2009}
}
Comments
LaTeX, 10 pages, no figures. Minor misprints corrected, PACS numbers added