Causal boundary entropy from horizon conformal field theory

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Abstract

This work demonstrates that the effective quantum theory of near horizon (NH) regions of spacetimes with classical spatially flat Friedman-Robertson-Walker (FRW) geometry is a two-dimensional (2D) conformal field theory (CFT). The effect is due to huge redshifts suffered by horizon fluctuations which allow only massless fluctuations to survive.

Original languageEnglish
Pages (from-to)576-579
Number of pages4
JournalPhysical Review Letters
Volume86
Issue number4
DOIs
StatePublished - 22 Jan 2001

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