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hep-th2026
Anti-scrambling and euclidean folds from observer correlators in de Sitter space
Daniel Harlow, Ying Zhao
The de Sitter horizon behaves in a qualitatively different way from a black hole horizon, which poses a challenge to any attempt to develop a fundamental quantum description of de…
hep-th2026
"It from Bit": The Hartle-Hawking state and quantum mechanics for de Sitter observers
Ying Zhao
The one-state statement for closed universes has sparked considerable discussion. In this paper, we examine its physical meaning in the context of the Hartle-Hawking state and de S…