de Sitter space and Holography
de Sitter space and Holography
de Sitter space and Holography
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dS static patch (spatial)dg =0 g =1 g =000 00 00o SCFT on dS d−1CFT on dS d−1Localized graviton1E=0 E= E=0R• D-brane probes of this region exhibit the same physics:Both are equivalent to CFT on dS d−1 for energy 0 < E ≪ 1 R .• Probes constructed from bulk gravitons range from energy0 up to 1/R <strong>and</strong> upon dimensional reduction their spectrumexhibits the mass gap expected of d − 1 dimensional CFT ondS.• Dimensionally reducing to d − 1 dimensional effective fieldtheory also yields a finite d−1 dimensional Plank mass→ Lowerdimensional theory has also gravity.46