CFT on the Brane with a Reissner-Nordstrom-de Sitter Twist
arXiv:hep-th/0111182
Abstract
We consider a brane universe in a Reissner-Nordstrom-de Sitter background spacetime of arbitrary dimensionality. It is shown that the brane evolution is described by generalized Friedmann equations for radiative matter along with a stiff-matter contribution. On the basis of the (conjectured) dS/CFT correspondence, we identify various thermodynamic properties of the brane. It is then demonstrated that, when the brane crosses the de Sitter cosmological horizon, the CFT thermodynamics and Friedmann-like equations coincide. Moreover, the CFT entropy is shown to be expressible in a generalized Cardy-Verlinde form. Finally, we consider the holographic entropy bounds in this scenario.
arXiv comment22 pages, Latex; references added and cosmetic changes
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Cited by in corpus (5)
- Holography in a Radiation-dominated Universe with a Positive Cosmological Constant
- A Note on the Cardy-Verlinde Formula
- Strings and the Holographic Description of Asymptotically de Sitter Spaces
- Bouncing and cyclic universes in the charged AdS bulk background
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