Density preturbations in a finite scale factor singularity universe

Details Density preturbations in a finite scale factor singularity universe Density preturbations in a finite scale factor singularity universe

2012-02-15

arxiv.org/abs/1202.3280v2

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

4 pages

Scientific paper

We discuss evolution of density perturbations in cosmological models which admit finite scale factor singularities. After solving the matter perturbations equations we find that there exists a set of the parameters which admit a finite scale factor singularity in future and instantaneously recover matter density evolution history which are indistinguishable from the standard LCDM scenario.

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