Late-time Cosmic Dynamics from M-theory

Details Late-time Cosmic Dynamics from M-theory Late-time Cosmic Dynamics from M-theory

2003-11-19

arxiv.org/abs/hep-th/0311173v1

Class.Quant.Grav.21:2421-2426,2004

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, LaTeX, 2 figures

Scientific paper

10.1088/0264-9381/21/9/015

We consider the behaviour of the cosmological acceleration for time-dependent hyperbolic and flux compactifications of M-theory, with an exponential potential. For flat and closed cosmologies it is seen that a positive acceleration is always transient for both compactifications. For open cosmologies, both compactifications can give at late times periods of positive acceleration. As a function of proper time this acceleration has a power law decay and can be either positive, negative or oscillatory.

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