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Journal Article

E10 Cosmology

MPS-Authors
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Kleinschmidt,  Axel
Quantum Gravity and Unified Theories, AEI Golm, MPI for Gravitational Physics, Max Planck Society;

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Nicolai,  Hermann
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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246598.pdf
(Publisher version), 232KB

0511290.pdf
(Preprint), 199KB

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Citation

Kleinschmidt, A., & Nicolai, H. (2006). E10 Cosmology. Journal of High Energy Physics, 2006(1): 137. doi:10.1088/1126-6708/2006/01/137.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-4B7C-0
Abstract
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.