Dark Energy as a Signature of Extra Dimensions

Details Dark Energy as a Signature of Extra Dimensions Dark Energy as a Signature of Extra Dimensions

2005-01-18

arxiv.org/abs/astro-ph/0501367v2

Astronomy and Astrophysics

Astrophysics

12 pages, 5 figures

Scientific paper

One of the most important and surprising discoveries in cosmology in recent years is the realization that our Universe is dominated by a mysterious dark energy, which leads to an accelerating expansion of space-time. A simple generalization of the standard Friedmann-Robertson-Walker equations based on General Relativity and the Cosmological Principles with the inclusion of a number of closed extra dimensions reproduces the currently observed data on dark energy, without the introduction of any cosmological constant or new particles. In particular, with a few extra dimensions, we obtain the redshift dependence of the deceleration parameter, the dark energy equation of state, as well as the age of the Universe in agreement with data, with essentially no free parameter. This model predicts that the extra dimensions have been compactified throughout the cosmic history, and it therefore suggests that signals from early Universe may give promising signatures of extra dimensions.

Affiliated with

Also associated with

No associations

Rating

Dark Energy as a Signature of Extra Dimensions 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 Dark Energy as a Signature of Extra Dimensions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dark Energy as a Signature of Extra Dimensions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-704776