Towards causal patch physics in dS/CFT

Abstract

This is a status report on a research program aimed at obtaining quantum-gravitational physics inside a cosmological horizon through dS/CFT, i.e. through a holographic description at past/future infinity of de Sitter space. The program aims to bring together two main elements. The first is the observation by Anninos, Hartman and Strominger that Vasiliev's higher-spin gravity provides a working model for dS/CFT in 3+1 dimensions. The second is the proposal by Parikh, Savonije and Verlinde that dS/CFT may prove more tractable if one works in so-called "elliptic" de Sitter space - a folded-in-half version of global de Sitter where antipodal points have been identified. We review some relevant progress concerning quantum field theory on elliptic de Sitter space, higher-spin gravity and its holographic duality with a free vector model. We present our reasons for optimism that the approach outlined here will lead to a full holographic description of quantum (higher-spin) gravity in the causal patch of a de Sitter observer.

10 pages, 1 figure. Conference proceedings contribution for ICGAC-13/IK-15 in Ewha Womans University in Seoul

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Cited by in corpus (11)

• Quantum de Sitter horizon entropy from quasicanonical bulk, edge, sphere and topological string partition functions
• Null boundary phase space: slicings, news and memory
• Polarization entanglement by time-reversed Hong-Ou-Mandel interference
• On classical de Sitter and Minkowski solutions with intersecting branes
• FRW and domain walls in higher spin gravity
• Higher-spin symmetry vs. boundary locality, and a rehabilitation of dS/CFT
• Higher Spin de Sitter Hilbert Space
• Wavefunctions in dS/CFT revisited: principal series and double-trace deformations
• A correspondence between strings in the Hagedorn phase and asymptotically de Sitter space
• Cosmology as a CFT${}_1$
• Cosmological solutions from 4D $N=4$ matter-coupled supergravity