Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-06-10
Phys.Lett. B624 (2005) 70-80
Physics
High Energy Physics
High Energy Physics - Theory
12 pages, LaTex, 3 figures; accepted version, to be published in PLB
Scientific paper
10.1016/j.physletb.2005.07.061
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.
Cognola Guido
Elizalde Emilio
Zerbini Sergio
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