Emergent Universe in Brane World Scenario

Details Emergent Universe in Brane World Scenario Emergent Universe in Brane World Scenario

2007-05-27

arxiv.org/abs/0705.3933v1

Grav.Cosmol.13:290-292,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, no figure

Scientific paper

A model of an emergent universe is obtained in brane world. Here the bulk energy is in the form of cosmological constant, while the brane consists of the Chaplygin gas with the modified equation of state such as $p=A\rho-B/\rho$. Initially the brane matter for the special choice $A=1/3$ may have negative or positive pressure depending on the relative magnitudes of the parameter $B$ and the cosmological constant of the bulk, while asymptotically in future the brane world approaches a $\Lambda$CDM model.

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