Bianchi II Brane-world Cosmologies (${\cal U}\geq 0$)

Details Bianchi II Brane-world Cosmologies (${\cal U}\geq 0$) Bianchi II Brane-world Cosmologies (${\cal U}\geq 0$)

2002-12-23

arxiv.org/abs/gr-qc/0212095v1

Phys.Rev. D67 (2003) 083510

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

30 pages, 28 eps figures, Revtex

Scientific paper

10.1103/PhysRevD.67.083510

The asymptotic properties of the Bianchi type II cosmological model in the Brane-world scenario are investigated. The matter content is assumed to be a combination of a perfect fluid and a minimimally coupled scalar field that is restricted to the Brane. The isotropic braneworld solution is determined to represent the initial singularity in all brane-world cosmologies. Additionally, it is shown that it is the kinetic energy of the scalar field which dominates the initial dynamics in these brane-world cosmologies. It is important to note that, the dynamics of these brane-world cosmologies is not necessarily asymptotic to general relativistic cosmologies to the future in the case of a zero four-dimensional cosmological constant.

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