Anisotropic Brane Cosmology with Variable $G$ and $Λ$

Details Anisotropic Brane Cosmology with Variable $G$ and $Λ$ Anisotropic Brane Cosmology with Variable $G$ and $Λ$

2004-11-23

arxiv.org/abs/gr-qc/0411111v2

JCAP 0411:012,2004

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

RevTex, 7 figures, 16 pages

Scientific paper

10.1088/1475-7516/2004/11/012

In this work, the cosmological implications of brane world scenario are investigated when the gravitational coupling $G$ and the cosmological term $\Lambda$ are not constant but rather there are time variation of them. From observational point of view, these time variations are taken in the form $\frac{\dot{G}}{G}\sim H$ and $\Lambda \sim H^{2}$. The behavior of scale factors and different kinematical parameters are investigated for different possible scenarios where the bulk cosmological constant $\Lambda_{5}$ can be zero, positive or negative.

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