New guises of the BTZ black hole and the entropy of 2d CFT
New guises of the BTZ black hole and the entropy of 2d CFT
New guises of the BTZ black hole and the entropy of 2d CFT
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<strong>BTZ</strong> <strong>black</strong> <strong>hole</strong> AdS 3 with Rindler boundary AdS 3 with de Sitter boundary Time-dependent boundary Entropy CommentsThe shift <strong>of</strong> <strong>the</strong> mass term by 1 is a result <strong>of</strong> <strong>the</strong> influence <strong>of</strong> <strong>the</strong>Casimir energy on <strong>the</strong> <strong>entropy</strong>.Our result gives a generalization <strong>of</strong> <strong>the</strong> Cardy formula for atime-dependent background, with Casimir energy ∼ ȧ 2 /a 2 .N. Tetradis University <strong>of</strong> A<strong>the</strong>ns
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