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de Sitter space and Holography

de Sitter space and Holography

de Sitter space and Holography

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The entire region of the dS <strong>space</strong> is drawn by a Penrosedigram which is a square given by |UV | = 1.VUV=1UUV=−1V=0U=0UV=−1UV=1The static patch is the region with U > 0 <strong>and</strong> V < 0.∂∂t = U l∂∂U − V lSo the norm of the Killing vector is∂∂V| ∂ ∂t |2 = 4UV(1 − UV ) 2UV = 0,UV > 0,UV < 0,null<strong>space</strong>liketimelike24

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