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arxiv: hep-th/0606041 · v3 · submitted 2006-06-06 · ✦ hep-th

Space-like branes, accelerating cosmologies and the near `horizon' limit

classification ✦ hep-th
keywords acceleratingcosmologiess-branesarisebranesclasshorizonknown
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It is known that there exist two different classes of time dependent solutions in the form of space-like (or S)-branes in the low energy M/string theory. Accelerating cosmologies are known to arise from S-branes in one class, but not in the other where the time-like holography in the dS/CFT type correspondence may be more transparent. We show how the accelerating cosmologies arise from S-branes in the other class. Although we do not get the de Sitter structure in the lowest order supergravity, the near `horizon' ($t\to 0$) limits of these S-branes are the generalized Kasner metric.

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