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          Institute: MPI für Gravitationsphysik     Collection: Geometric Analysis and Gravitation     Display Documents



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ID: 254735.0, MPI für Gravitationsphysik / Geometric Analysis and Gravitation
Eternal acceleration from M-theory
Authors:Andersson, Lars; Heinzle, J. Mark
Language:English
Date of Publication (YYYY-MM-DD):2007
Title of Journal:Advances in Theoretical and Mathematical Physics
Volume:11
Issue / Number:3
Start Page:371
End Page:398
Review Status:not specified
Audience:Not Specified
Abstract / Description:The dimensional reduction of D-dimensional spacetimes arising in string/M-theory, to the conformal Einstein frame, may give rise to cosmologies with accelerated expansion. Through a complete analysis of the dynamics of doubly warped product spacetimes, in terms of scale invariant variables, it is demonstrated that for D \geq 10, eternally accelerating 4-dimensional \kappa = -1 Friedmann cosmologies arise from dimensional reduction on an internal space with negative Einstein geometry.
External Publication Status:published
Document Type:Article
Communicated by:Gerhard Huisken
Affiliations:MPI für Gravitationsphysik/Geometric Analysis and Gravitation
Identifiers:LOCALID:arXiv:hep-th/0602102
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