Eternal acceleration from M-theory

Andersson, Lars; Heinzle, J. Mark

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Eternal acceleration from M-theory

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Andersson, Lars
Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

Heinzle, J. Mark
Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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ATMP2007_11_371.pdf
(出版社版), 646KB

0602102.pdf
(プレプリント), 333KB

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引用

Andersson, L., & Heinzle, J. M. (2007). Eternal acceleration from M-theory. Advances in Theoretical and Mathematical Physics, 11(3), 371-398.

引用: https://hdl.handle.net/11858/00-001M-0000-0013-4898-8

要旨

The dimensional reduction of D-dimensional spacetimes arising in string/M-theory, to the conformal Einstein frame, may give rise to cosmologies with accelerated expansion. Through a complete analysis of the dynamics of doubly warped product spacetimes, in terms of scale invariant variables, it is demonstrated that for D \geq 10, eternally accelerating 4-dimensional \kappa = -1 Friedmann cosmologies arise from dimensional reduction on an internal space with negative Einstein geometry.