Cosmic Acceleration in Massive Half-Maximal Supergravity

Details Cosmic Acceleration in Massive Half-Maximal Supergravity Cosmic Acceleration in Massive Half-Maximal Supergravity

2004-11-23

arxiv.org/abs/hep-th/0411208v1

Phys.Lett. B609 (2005) 13-19

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, 3 figures

Scientific paper

10.1016/j.physletb.2005.01.035

We consider massive half-maximal supergravity in (d+3) dimensions and compactify it on a symmetric three space. We find that the static configurations of Minkowski X S^3, obtained by balancing the positive scalar potential for the dilaton and the flux of a three-form through the three-sphere, are unstable. The resulting cosmological evolution breaks supersymmetry and leads to an accelerated expansion in d dimensions.

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