Sudden singularities survive massive quantum particle production

Details Sudden singularities survive massive quantum particle production Sudden singularities survive massive quantum particle production

2011-10-06

arxiv.org/abs/1110.1321v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Latex file, 13 pages. New references, enlarged discussions in the Introduction and in the Conclusions and some other minor mod

Scientific paper

We solve the Klein-Gordon equation for a massive, non-minimally coupled scalar field, with a conformal coupling, undergoing cosmological evolution from a radiation-dominated phase to a future sudden singularity. We show that, after regularisation, the energy of the created particles is zero and the back-reaction from quantum effects does not change the evolution of the universe near the future singularity and cannot prevent the finite-time sudden singularity.

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