de Sitter entropy from conformal field theory

Abstract

We propose that the entropy of de Sitter space can be identified with the mutual entropy of a dual conformal field theory. We argue that unitary time evolution in de Sitter space restricts the total number of excited degrees of freedom to be bounded by the de Sitter entropy, and we give a CFT interpretation of this restriction. We also clarify issues arising from the fact that both de Sitter and anti de Sitter have dual descriptions in terms of conformal field theory.

LaTeX, 22 pages, 2 eps figures. v2: references added. v3: minor additional comments, additional references

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• Reissner-Nordstrom-de Sitter black hole, planar coordinates and dS/CFT
• (Anti-) de Sitter Black Holes in higher derivative gravity and dual Conformal Field Theories
• Inflationary Perturbations from Deformed CFT
• A new twist on dS/CFT
• Holographic Complexity in dS${}_{d+1}$
• De Sitter Gravity and Liouville Theory
• Aspects of Quantum Gravity in de Sitter Spaces
• Stretched horizons, quasiparticles and quasinormal modes
• Quantum Gravity on $d{S}_3$
• q-Deformed de Sitter/Conformal Field Theory Correspondence
• Logarithmic Corrections, Entanglement Entropy, and UV Cutoffs in de Sitter Spacetime
• Holographic Inflation
• Notes on Euclidean de Sitter space
• Remark About dS/CFT Correspondence
• The SPL-Fréjus physics potential