Holographic Cosmic Quintessence on Dilatonic Brane World
arXiv:hep-th/0106054 · doi:10.1103/PhysRevD.65.044007
Abstract
Recently quintessence is proposed to explain the observation data of supernova indicating a time-varying cosmological constant and accelerating universe. Inspired by this and its mysterious origin, we look for the possibility of quintessence as the holographic dark matters dominated in the late time in the brane world scenarios. We consider both the cases of static and moving brane in a dilaton gravity background. For the static brane we use the Hamilton-Jacobi method motivated by holographic renormalization group to study the intrinsic FRW cosmology on the brane and find out the constraint on the bulk potential for the quintessence. This constraint requires a negative slowly varying bulk potential which implies an anti-de Sitter-like bulk geometry and could be possibly realized from the higher dimensional supergravities or string theory. We find the similar constraint for the moving brane cases and that the quintessence on it has the effect as a mildly time-varying Newton constant.
16pages, no figure, Latex; revised version, references added, typos corrected, abstract and comments improved; final version, will appear in PRD
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- The accelerating universe in brane-world cosmology
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- Supersymmteric Null-like Holographic Cosmologies
- Quintessential brane cosmology
- An Observational Test of Holographic Inflation
- Quintessence and Brane world scenarios
- Cosmic No Hair for Braneworlds with a Bulk Dilaton Field