Dark Energy from Wet Dark Fluid

Details Dark Energy from Wet Dark Fluid Dark Energy from Wet Dark Fluid

2004-08-04

arxiv.org/abs/astro-ph/0408102v3

Astronomy and Astrophysics

Astrophysics

11 pages JHEP 6 figures; v2 added references, candidate microphysical model and edited to conserve length; v3 major revision:

Scientific paper

We propose a new equation of state for the Dark Energy component of the Universe. It is modeled on the equation of state $p=w(\rho-\rho_{*})$ which can describe a liquid, for example water. We show that its energy density naturally decomposes into a component that behaves as a cosmological constant and one whose energy density scales as $a^{-3(1+w)}$, and fit the parameters specifying the equation of state to the new SNIa data, as well as WMAP and 2dF data. We find that reasonable values of the parameters can be found that give our model the same $\chi^2$ as that of $\Lambda$CDM. A remarkable feature of the model is that we can do all this with $w>0$.

Affiliated with

Also associated with

No associations

Rating

Dark Energy from Wet Dark Fluid 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 from Wet Dark Fluid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dark Energy from Wet Dark Fluid will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-409564