E10 Cosmology

Details E10 Cosmology E10 Cosmology

2005-11-29

arxiv.org/abs/hep-th/0511290v2

JHEP0601:137,2006

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, 1 figure. v2: Additional references

Scientific paper

10.1088/1126-6708/2006/01/137

We construct simple exact solutions to the E10/K(E10) coset model by exploiting its integrability. Using the known correspondences with the bosonic sectors of maximal supergravity theories, these exact solutions translate into exact cosmological solutions. In this way, we are able to recover some recently discovered solutions of M-theory exhibiting phases of accelerated expansion, or, equivalently, S-brane solutions, and thereby accommodate such solutions within the E10/K(E10) model. We also discuss the difficulties regarding solutions with non-vanishing (constant) curvature of the internal manifold.

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