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High Energy Physics - Theory

arXiv:hep-th/0012246 (hep-th)
[Submitted on 27 Dec 2000 (v1), last revised 8 Jan 2001 (this version, v2)]

Title:Cosmology of Dilatonic Brane World

Authors:Donam Youm
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Abstract: We study cosmological solutions in the dilatonic brane world models. The effective four-dimensional equations on the brane are analyzed for the models with one positive tension brane and two branes with tensions of opposite signs. Just as in the non-dilatonic brane case, the conventional Friedmann equations of the four-dimensional universe are reproduced to the leading order in matter energy density for the model with one brane and the introduction of a radion potential is required in order to reproduce the Friedmann equations with the correct sign for the model with two branes.
Comments: 11 pages, LaTeX, references added
Subjects: High Energy Physics - Theory (hep-th); Astrophysics (astro-ph); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)
Report number: IC/2000/189
Cite as: arXiv:hep-th/0012246
  (or arXiv:hep-th/0012246v2 for this version)
  https://doi.org/10.48550/arXiv.hep-th/0012246
Journal reference: Mod.Phys.Lett. A16 (2001) 937-946
Related DOI: https://doi.org/10.1142/S0217732301004169

Submission history

From: Youm Donam [view email]
[v1] Wed, 27 Dec 2000 16:13:15 UTC (10 KB)
[v2] Mon, 8 Jan 2001 13:17:31 UTC (10 KB)
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