Some comments on embedding inflation in the AdS/CFT correspondence
arXiv:0710.3564 · doi:10.1103/PhysRevD.77.066003
Abstract
The anti-de Sitter space/conformal field theory correspondence (AdS/CFT) can potentially provide a complete formulation of string theory on a landscape of stable and metastable vacua that naturally give rise to eternal inflation. As a model for this process, we consider bubble solutions with de Sitter interiors, obtained by patching together dS and Schwarzschild-AdS solutions along a bubble wall. For an interesting subclass of these solutions the bubble wall reaches spacelike infinity in the black hole interior. Including the effects of perturbations leads to a null singularity emanating from this point. Such solutions are interpreted as states in a single CFT, and are shown to be compatible with holographic entropy bounds. The construction suggests de Sitter entropy be interpreted as the total number of degrees of freedom in effective field theory, with a novel adaptive stepsize cutoff.
15 pages, 4 figures, revtex4
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Cited by in corpus (8)
- Holography of AdS vacuum bubbles
- Punctuated eternal inflation via AdS/CFT
- Holographic description of asymptotically AdS_2 collapse geometries
- dS/CFT and the operator product expansion
- Holographic de Sitter Universe
- Initial states and infrared physics in locally de Sitter spacetime
- Loop effects and infrared divergences in slow-roll inflation
- de Sitter gravity/Euclidean conformal gravity correspondence