Sudden singularities survive massive quantum particle production

Autor:	Barrow, J. D., Batista, A. B., Dito, G., Fabris, J. C., Houndjo, M. J. S.
Rok vydání:	2011
Předmět:	General Relativity and Quantum Cosmology Astrophysics - Cosmology and Extragalactic Astrophysics High Energy Physics - Theory
Zdroj:	Phys. Rev. D 84, 123518 (2011)
Druh dokumentu:	Working Paper
DOI:	10.1103/PhysRevD.84.123518
Popis:	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. Comment: Latex file, 13 pages. New references, enlarged discussions in the Introduction and in the Conclusions and some other minor modifications. Accepted for publication in Physical Review D
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1110.1321 Zobrazit plný text záznamu View this record from Arxiv