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Cosmological constraints on the dark energy equation of state and its evolution
We have calculated constraints on the evolution of the equation of state of the dark energy, w(z), from a joint analysis of data from the cosmic microwave background, large scale structure and type-Ia supernovae. In order to probe the time-evolution of w we propose a new, simple parametrization of w...
Autores principales: | , |
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Lenguaje: | eng |
Publicado: |
2004
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1088/1475-7516/2004/09/001 http://cds.cern.ch/record/774631 |