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  Cosmological Billiards

Damour, T., Henneaux, M., & Nicolai, H. (2003). Cosmological Billiards. Classical and Quantum Gravity, 20(9), R145-R200. doi:10.1088/0264-9381/20/9/201.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-522A-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-522B-2
Genre: Journal Article

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3132.pdf (Publisher version), 569KB
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 Creators:
Damour, Thibault, Author
Henneaux, Marc, Author
Nicolai, Hermann1, Author              
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              

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 Abstract: It is shown in detail that the dynamics of the Einstein-dilaton-p-form system in the vicinity of a spacelike singularity can be asymptotically described, at a generic spatial point, as a billiard motion in a region of Lobachevskii space (realized as an hyperboloid in the space of logarithmic scale factors). This is done within the Hamiltonian formalism, and for an arbitrary number of spacetime dimensions $D geq 4$. A key role in the derivation is played by the Iwasawa decomposition of the spatial metric, and by the fact that the off-diagonal degrees of freedom, as well as the p-form degrees of freedom, get ''''asymptotically frozen'' in this description. For those models admitting a Kac-Moody theoretic interpretation of the billiard dynamics we outline how to set up an asymptotically equivalent description in terms of a one-dimensional non-linear sigma-model formally invariant under the corresponding Kac-Moody grou

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Language(s): eng - English
 Dates: 2003-05-07
 Publication Status: Published in print
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 Identifiers: eDoc: 3132
DOI: 10.1088/0264-9381/20/9/201
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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 20 (9) Sequence Number: - Start / End Page: R145 - R200 Identifier: ISSN: 0264-9381