ar X iv : h ep - t h / 05 06 08 2 v 2 2 9 Ju l 2 00 5 Multi - ( super ) graviton theory on topologically non - trivial backgrounds

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. 

3 Figures and Tables

Cite this paper

@inproceedings{Elizalde2008arXI, title={ar X iv : h ep - t h / 05 06 08 2 v 2 2 9 Ju l 2 00 5 Multi - ( super ) graviton theory on topologically non - trivial backgrounds}, author={E. Elizalde and Sergio Zerbini}, year={2008} }