de Sitter entropy from conformal field theory | Zendy

Daniel Kabat | Zendy; Gilad Lifschytz | Zendy

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de Sitter entropy from conformal field theory

Author(s) -

Daniel Kabat,

Gilad Lifschytz

Publication year - 2002

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2002/04/019

Subject(s) - de sitter space , de sitter universe , conformal field theory , de sitter invariant special relativity , anti de sitter space , de sitter–schwarzschild metric , physics , conformal map , mathematical physics , entropy (arrow of time) , mathematics , quantum mechanics , mathematical analysis , white hole , universe

We propose that the entropy of de Sitter space can be identified with themutual entropy of a dual conformal field theory. We argue that unitary timeevolution in de Sitter space restricts the total number of excited degrees offreedom to be bounded by the de Sitter entropy, and we give a CFTinterpretation of this restriction. We also clarify issues arising from thefact that both de Sitter and anti de Sitter have dual descriptions in terms ofconformal field theory.Comment: LaTeX, 22 pages, 2 eps figures. v2: references added. v3: minor additional comments, additional reference

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