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arxiv: hep-th/0303238 · v6 · submitted 2003-03-27 · ✦ hep-th · astro-ph· gr-qc

Accelerating Cosmologies from S-Branes

classification ✦ hep-th astro-phgr-qc
keywords s-branesacceleratingflatacceleratedauthorcasechosencosmologies
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We point out that the recently proposed model of a flat 4-dimensional universe with accelerated expansion in string/M-theory is a special case of time-dependent solutions that the author found under the name of ``S-branes.'' We also show that similar accelerating models can be obtained from S-branes if the internal space is chosen to be hyperbolic or flat spaces.

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