New guises of the BTZ black hole and the entropy of 2d CFT

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BTZ black hole AdS 3 with Rindler boundary AdS 3 with de Sitter boundary Time-dependent boundary Entropy CommentsΧ1.41.21.00.80.60.40.23 2 1 0 1 2 3ΦFigure: Global coordinates.N. Tetradis University of Athens
BTZ black hole AdS 3 with Rindler boundary AdS 3 with de Sitter boundary Time-dependent boundary Entropy CommentsA different stateThe metricds 2 =[dz 1 2z 2 +(1 − 1 ) 2 )4 H2 z(−(1 ] 2 − H 2 ρ 2 )dη 2 + dρ21 − H 2 ρ 2 ,also has a de Sitter boundary.The stress-energy tensor is(36)ρ = −〈T t t 〉 = − H216πG 3(37)p = 〈T ρ ρ〉 = H216πG 3. (38)The conformal anomaly is the same as before.N. Tetradis University of Athens
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New guises of the BTZ black hole and the entropy of 2d CFT

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