Dynamics of perturbations in Gurzadyan-Xue cosmological models

Details Dynamics of perturbations in Gurzadyan-Xue cosmological models Dynamics of perturbations in Gurzadyan-Xue cosmological models

2006-10-06

arxiv.org/abs/astro-ph/0610197v1

Int.J.Mod.Phys.D17:203-223,2008

Astronomy and Astrophysics

Astrophysics

Scientific paper

10.1142/S021827180801195X

Perturbation theory within Newtonian approximation is presented for cosmological models with varying physical constants. Analytical solutions for perturbations dynamics are obtained for each Gurzadyan-Xue model with pressureless matter and radiation. We found that perturbations grow during entire expansion within GX models, including curvature- and vacuum-dominated stage when they cease to grow in the standard cosmological model.

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