More General Sudden Singularities

Details More General Sudden Singularities More General Sudden Singularities

2004-09-15

arxiv.org/abs/gr-qc/0409062v2

Class.Quant.Grav. 21 (2004) 5619-5622

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages, no figures

Scientific paper

10.1088/0264-9381/21/23/020

We present a general form for the solution of an expanding general-relativistic Friedmann universe that encounters a singularity at finite future time. The singularity occurs in the material pressure and acceleration whilst the scale factor, expansion rate and material density remain finite and the strong energy condition holds. We also show that the same phenomenon occurs, but under different conditions, for Friedmann universes in gravity theories arising from the variation of an action that is an arbitrary analytic function of the scalar curvature.

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