Geodesic behavior of sudden future singularities

Abstract

In this paper we analyze the effect of recently proposed classes of sudden future singularities on causal geodesics of FLRW spacetimes. Geodesics are shown to be extendible and just the equations for geodesic deviation are singular, although tidal forces are not strong enough to produce a Big Rip. For the sake of completeness, we compare with the typical sudden future singularities of phantom cosmologies.

3 pages, revtex, twocolumn

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• The final state and thermodynamics of dark energy universe
• Quantum escape of sudden future singularity
• More General Sudden Singularities
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