The Weak Energy Condition and the Expansion History of the Universe

Details The Weak Energy Condition and the Expansion History of the Universe The Weak Energy Condition and the Expansion History of the Universe

2007-03-15

arxiv.org/abs/astro-ph/0703416v2

Phys.Lett.B659:457-461,2008

Astronomy and Astrophysics

Astrophysics

5 pages, 3 figures, references and discussion added

Scientific paper

10.1016/j.physletb.2007.11.070

We examine flat models containing a dark matter component and an arbitrary dark energy component, subject only to the constraint that the dark energy satisfies the weak energy condition. We determine the constraints that these conditions place on the evolution of the Hubble parameter with redshift, H(z), and on the scaling of the coordinate distance with redshift, r(z). Observational constraints on H(z) are used to derive an upper bound on the current matter density. We demonstrate how the weak energy condition constrains fitting functions for r(z).

Affiliated with

Also associated with

No associations

Rating

The Weak Energy Condition and the Expansion History of the Universe does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The Weak Energy Condition and the Expansion History of the Universe, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The Weak Energy Condition and the Expansion History of the Universe will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-362865