Late universe expansion dominated by domain walls and dissipative dark matter

Sergio Del Campo, Ramón Herrera, Diego Pavór

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

In this paper we show that a universe dominated by two components, namely, domain walls and dissipative dark matter, such that the former slowly decays into the latter, may drive power-law cosmological acceleration consistent with the high redshift supernovae data, while the ratio between the energy densities of both components remains fixed at late times thus solving the coincidence problem of present acceleration. Likewise, we estimate the aforesaid ratio at early times.

Original languageEnglish
Article number043540
JournalPhysical Review D
Volume70
Issue number4 A
DOIs
StatePublished - Aug 2004
Externally publishedYes

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