Bare and effective fluid description in brane world cosmology
Cosmology and Nongalactic Astrophysics
2014-11-20 v1 General Relativity and Quantum Cosmology
High Energy Physics - Theory
Abstract
An effective fluid description, for a brane world model in five dimensions, is discussed for both signs of the brane tension. We found several cosmological scenarios where the effective equation differs widely from the bare equation of state. For universes with negative brane tension, with a bare fluid satisfying the strong energy condition, the effective fluid can cross the barrier .
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Cite
@article{arxiv.0906.2403,
title = {Bare and effective fluid description in brane world cosmology},
author = {Norman Cruz and Samuel Lepe and Francisco Pena and Joel Saavedra},
journal= {arXiv preprint arXiv:0906.2403},
year = {2014}
}
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6 pages