Multi-(super)graviton theory on topologically non-trivial backgrounds
High Energy Physics - Theory
2009-11-11 v2 General Relativity and Quantum Cosmology
Abstract
It is shown that in some multi-supergraviton models, the contributions to the effective potential due to a non-trivial topology can be positive, giving rise in this way to a positive cosmological constant, as demanded by cosmological observations.
Keywords
Cite
@article{arxiv.hep-th/0506082,
title = {Multi-(super)graviton theory on topologically non-trivial backgrounds},
author = {Guido Cognola and Emilio Elizalde and Sergio Zerbini},
journal= {arXiv preprint arXiv:hep-th/0506082},
year = {2009}
}
Comments
12 pages, LaTex, 3 figures; accepted version, to be published in PLB