H(z) diagnostics on the nature of dark energy

Sergio Del Campo, Ramón Herrera, Diego Pavón

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


The two dominant components of the cosmic budget today, pressureles matter and dark energy, may or may not be interacting with each other. Currently, both possibilities appear compatible with observational data. We propose several criteria based on the history of the Hubble factor that can help discern whether they are interacting and whether dark energy is phantom or quintessence in nature.

Original languageEnglish
Pages (from-to)561-579
Number of pages19
JournalInternational Journal of Modern Physics D
Issue number4
StatePublished - Apr 2011


  • Dark energy
  • dark matter


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