Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9860931 | Physics Letters B | 2005 | 11 Pages |
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.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Nuclear and High Energy Physics
Authors
Guido Cognola, Emilio Elizalde, Sergio Zerbini,