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arxiv: 0801.0268 · v1 · submitted 2008-01-01 · ✦ hep-th

Power-law cosmological solution derived from DGP brane with a brane tachyon field

classification ✦ hep-th
keywords branefieldtachyonpower-lawsolutionadoptingbulkcosmological
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By studying a tachyon field on the DGP brane model, in order to embed the 4D standard Friedmann equation with a brane tachyon field in 5D bulk, the metric of the 5D spacetime is presented. Then, adopting the inverse square potential of tachyon field, we obtain an expanding universe with power-law on the brane and an exact 5D solution.

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