Holographic de Sitter Universe
arXiv:1105.0038 · doi:10.1007/JHEP07(2011)053
Abstract
We propose to embed de Sitter space into five dimensional anti-de Sitter space to compute some physical quantities of interest, using the AdS/CFT correspondence. The static de Sitter can be considered as the conformal structure of the boundary of the hyperbolic AdS5 with a horizon, thus energy as well as entropy can be computed. The global dS can be embedded into a half-global AdS5, and the dS entropy can be regarded as entanglement entropy in this case. Finally, the inflationary dS can also be regarded as the boundary of AdS5, and this can be extended to include general cosmology with a positive cosmological constant, however at the price of introducing a naked null singularity in the bulk unless the cosmology is pure de Sitter space.
12 pages, minor modifications and more references added
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Cited by in corpus (8)
- Entanglement and out-of-equilibrium dynamics in holographic models of de Sitter QFTs
- Fluctuation and dissipation in de Sitter space
- Holographic thermalization in Gauss-Bonnet gravity with de Sitter boundary
- Holographic (De)confinement Transitions in Cosmological Backgrounds
- AdS/dS CFT Correspondence
- The Thermal Bath of de Sitter from Holography
- De Sitter-invariant States from Holography
- Emergent Dark Matter in Late Time Universe on Holographic Screen