New Cosmic Microwave Background, Galaxy Clustering and Supernovae type Ia data are increasingly constraining the dark energy component of our Universe. While the cosmological constant scenario remains consistent with these new tight constraints, the data does not rule out the possibility that the equation of state parameter is less than -1.
- Pub Date:
- June 2004
- General Relativity and Quantum Cosmology;
- High Energy Physics - Phenomenology
- 6 Pages, 1 Figure, based on a Plenary Talk given at Exploring the Universe (Moriond 2004), La Thuile, March 28 - April 4, 2004