Proposal for the origin of the cosmological constant

Details Proposal for the origin of the cosmological constant Proposal for the origin of the cosmological constant

2009-06-11

arxiv.org/abs/0906.2085v2

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

12 pages, 1 figure. See addendum

Scientific paper

We work in the framework of a simple vector-tensor theory. The parametrized post-Newtonian approximation of this theory is identical to that of general relativity. Our attention is focused on cosmology. In an homogeneous isotropic universe, it is proved that the energy density, $\rho_{A}$, of the vector field $A$, and its pressure, $p_{A}$, do not depend on time, and also that the equation of state is $\rho_{A} = -p_{A}$. This means that, in the theory under consideration, there is a cosmological constant, which is not vacuum energy, but the dark energy of the cosmic vector field $A$, whose evolution is classical.

Affiliated with

Also associated with

No associations

Rating

Proposal for the origin of the cosmological constant 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 Proposal for the origin of the cosmological constant, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Proposal for the origin of the cosmological constant will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-516594