E10 Cosmology

Kleinschmidt, Axel; Nicolai, Hermann

doi:10.1088/1126-6708/2006/01/137

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E10 Cosmology

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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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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.