Cosmic Acceleration and M-Theory

Details Cosmic Acceleration and M-Theory Cosmic Acceleration and M-Theory

2003-08-21

arxiv.org/abs/hep-th/0308149v2

Physics

High Energy Physics

High Energy Physics - Theory

10 pp. Latex. Minor corrections made and Ref. added. To appear in proceedings of ICMP2003, Lisbon, Portugal, July 2003

Scientific paper

The status of accelerating four-dimensional universes obtained by time-dependent compactifications of 10 or 11 dimensional supergravity is reviewed, as is the `no-go' theorem that they evade. All flat cosmologies for a simple exponential potential are found explicitly. It is noted that transient acceleration is generic, and unavoidable for `flux' compactifications. Included is an eternally accelerating flat cosmology without a future event horizon.

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