Cosmic holography

Dongsu Bak, Soo Jong Rey

Research output: Contribution to journalArticlepeer-review

338 Scopus citations

Abstract

A version of the holographic principle for cosmology is proposed which dictates that the particle entropy within the cosmological apparent horizon should not exceed the gravitational entropy associated with the apparent horizon. It is shown that in Friedmann-Robertson-Walker (FRW) cosmology, the open universe, as well as a restricted class of flat cases, are compatible with the principle, whereas the closed universe is not. It is also found that the inflationary universe after the big bang is incompatible with cosmic holography.

Original languageEnglish
Pages (from-to)L83-L89
JournalClassical and Quantum Gravity
Volume17
Issue number15
DOIs
StatePublished - 7 Aug 2000

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