Dynamics of M-Theory Cosmology

Details Dynamics of M-Theory Cosmology Dynamics of M-Theory Cosmology

1999-08-15

arxiv.org/abs/hep-th/9908102v1

Phys.Rev. D61 (2000) 043504

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, 4 Postscript figures, uses graphics.sty, submitted to Phys. Rev. D

Scientific paper

10.1103/PhysRevD.61.043504

A complete global analysis of spatially-flat, four-dimensional cosmologies derived from the type IIA string and M-theory effective actions is presented. A non--trivial Ramond-Ramond sector is included. The governing equations are written as a dynamical system. Asymptotically, the form fields are dynamically negligible, but play a crucial role in determining the possible intermediate behaviour of the solutions (i.e. the nature of the equilibrium points). The only past-attracting solution (source in the system) may be interpreted in the eleven-dimensional setting in terms of flat space. This source is unstable to the introduction of spatial curvature.

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