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arxiv: hep-th/9911117 · v1 · pith:HFD5MDN7new · submitted 1999-11-16 · ✦ hep-th

The cosmology with the Dp-brane gas

classification ✦ hep-th
keywords cosmologydp-branebrans-dickedimensiondominateseffectequationequivalent
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We study the effect of the Dp-brane gas in string cosmology. When one kind of Dp-brane gas dominates, we find that the cosmology is equivalent to that of the Brans-Dicke theory with the perfect fluid type matter. We obtain $\gamma$, the equation of state parameter, in terms of p and the space-time dimension.

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