Observational constraints on holographic tachyonic dark energy in interaction with dark matter

We discuss an interacting tachyonic dark energy model in the context of the holographic principle. The potential of the holographic tachyon field in interaction with dark matter is constructed. The model results are compared with CMB shift parameter, baryonic acoustic oscilations, lookback time and the Constitution supernovae sample. The coupling constant of the model is compatible with zero, but dark energy is not given by a cosmological constant.

• Publication year

  2009

• Venue

  Journal of Cosmology and Astroparticle Physics

• Publication date

  2009-12-20

• Fields of study

  Physics

• Identifiers
  DOI 10.1088/1475-7516/2010/05/009arXiv 0912.3992
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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