Branes: cosmological surprise and observational deception

Details Branes: cosmological surprise and observational deception Branes: cosmological surprise and observational deception

2006-06-18

arxiv.org/abs/gr-qc/0606076v1

Astron.Astrophys.452:781-794,2006

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

29 pages, 25 figures

Scientific paper

10.1051/0004-6361:20054154

Using some supernovae and CMB data, we constrain the Cardassian, Randall-Sundrum, and Dvali-Gabadadze-Porrati brane-inspired cosmological models. We show that a transient acceleration and an early loitering period are usually excluded by the data. Moreover, the three models are equivalent to some usual quintessence/ghost dark energy models defined by a barotropic index $\gamma_\phi$ depending on the redshift. We calculate this index for each model and show that they mimic a universe close to a $\Lambda CDM$ model today.

Affiliated with

Also associated with

No associations

Rating

Branes: cosmological surprise and observational deception 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 Branes: cosmological surprise and observational deception, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Branes: cosmological surprise and observational deception will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-309275