Thermodynamical description of the interaction between holographic dark energy and dark matter

Bin Wang, Chi Yong Lin, Diego Pavón, Elcio Abdalla

Research output: Contribution to journalArticleResearchpeer-review

128 Citations (Scopus)

Abstract

We present a thermodynamical description of the interaction between holographic dark energy and dark matter. If holographic dark energy and dark matter evolve separately, each of them remains in thermodynamic equilibrium. A small interaction between them may be viewed as a stable thermal fluctuation that brings a logarithmic correction to the equilibrium entropy. From this correction we obtain a physical expression for the interaction which is consistent with phenomenological descriptions and passes reasonably well the observational tests. © 2008 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)1-6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume662
Issue number1
DOIs
Publication statusPublished - 10 Apr 2008

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