Artículos de revistas
Observational constraints on holographic tachyonic dark energy in interaction with dark matter
Fecha
2010Registro en:
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, n.5, 2010
1475-7516
10.1088/1475-7516/2010/05/009
Autor
MICHELETTI, Sandro M. R.
Institución
Resumen
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.