Testing General Relativity from Curvature & Energy contents at Cosmological scale

Understand

In this work we examine what are the cosmological implications of allowing the geometrical curvature density to behave independently from the energy density contents.

• Using the full data extracted by Planck mission from CMB, combined with BAO and SNIa measurements, we derive, in the light of this approach, new constraints on the cosmological parameters.
• In particular we determine the behavior of the curvature dark energy degeneracy when allowing a varying equation of state for the latter.
• We also examine whether this approach could bridge the gap recently found between the Hubble parameter value determined from CMB and that from the local universe measurements