A global picture of quantum de Sitter space

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dc.creatorGiddings, Steven B.
dc.creatorMarolf, Donald
dc.date2007-05-08
dc.date2007-09-20
dc.date.accessioned2026-07-07T10:55:25Z
dc.date.available2026-07-07T10:55:25Z
dc.descriptionPerturbative gravity about a de Sitter background motivates a global picture of quantum dynamics in `eternal de Sitter space,' the theory of states which are asymptotically de Sitter to both future and past. Eternal de Sitter physics is described by a finite dimensional Hilbert space in which each state is precisely invariant under the full de Sitter group. This resolves a previously-noted tension between de Sitter symmetry and finite entropy. Observables, implications for Boltzmann brains, and Poincare recurrences are briefly discussed.
dc.description17 pages, 1 figure. v2: minor changes, references added. v3: minor changes to correspond to PRD version
dc.identifierhttps://arxiv.org/abs/0705.1178
dc.identifierhttp://arxiv.org/abs/0705.1178
dc.identifierPhys.Rev.D76:064023,2007
dc.identifierdoi:10.1103/PhysRevD.76.064023
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/186072
dc.subjectHigh Energy Physics - Theory
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleA global picture of quantum de Sitter space
dc.typetext

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