Towards a future singularity?

Details Towards a future singularity? Towards a future singularity?

2004-05-16

arxiv.org/abs/gr-qc/0405083v1

Int.J.Mod.Phys. D13 (2004) 2267-2274

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages. Essay written for the "2004 Awards for Essays on Gravitation" (Gravity Research Foundation, Wellesley Hills, MA, USA)

Scientific paper

10.1142/S0218271804006310

We discuss whether the future extrapolation of the present cosmological state may lead to a singularity even in case of "conventional" (negative) pressure of the dark energy field, namely $w=p/\rho \geq -1$. The discussion is based on an often neglected aspect of scalar-tensor models of gravity: the fact that different test particles may follow the geodesics of different metric frames, and the need for a frame-independent regularization of curvature singularities.

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