de Sitter entropy from conformal field theory
High Energy Physics - Theory
2009-11-07 v3
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.
Cite
@article{arxiv.hep-th/0203083,
title = {de Sitter entropy from conformal field theory},
author = {Daniel Kabat and Gilad Lifschytz},
journal= {arXiv preprint arXiv:hep-th/0203083},
year = {2009}
}
Comments
LaTeX, 22 pages, 2 eps figures. v2: references added. v3: minor additional comments, additional references