Big-Rip, Sudden Future, and other exotic singularities in the universe

Details Big-Rip, Sudden Future, and other exotic singularities in the universe Big-Rip, Sudden Future, and other exotic singularities in the universe

2007-01-10

arxiv.org/abs/gr-qc/0701056v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

3 pages, MG11 proceedings contribution

Scientific paper

We discuss exotic singularities in the evolution of the universe motivated by the progress of observations in cosmology. Among them there are: Big-Rip (BR), Sudden Future Singularities (SFS), Generalized Sudden Future Singularities (GSFS), Finite Density Singularities (FD), type III, and type IV singularities. We relate some of these singularities with higher-order characteristics of expansion such as jerk and snap. We also discuss the behaviour of pointlike objects and classical strings on the approach to these singularities.

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