Does the entropy of the Universe tend to a maximum?

Diego Pavón, Ninfa Radicella

Research output: Contribution to journalArticleResearchpeer-review

39 Citations (Scopus)

Abstract

Ordinary, macroscopic systems, naturally tend to a state of maximum entropy compatible with their constraints. However, this might not hold for gravity-dominated systems since their entropy may increase without bound unless this is precluded by the formation of a black hole. In this short note we suggest, based on the Hubble expansion history, that our Universe likely behaves as an ordinary system, i. e., that its entropy seems to tend to some maximum value. © 2012 Springer Science+Business Media New York.
Original languageEnglish
Pages (from-to)63-68
JournalGeneral Relativity and Gravitation
Volume45
Issue number1
DOIs
Publication statusPublished - 1 Jan 2013

Keywords

  • Cosmology
  • Dark energy
  • Thermodynamics

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