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Sudden singularities in semiclassical gravity

de Haro, Jaime ; Amoros, Jaume ; Elizalde, Emilio

Physical review. D, Particles, fields, gravitation, and cosmology, 2012-06, Vol.85 (12), Article 123527

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Title:
Sudden singularities in semiclassical gravity
Author: de Haro, Jaime ; Amoros, Jaume ; Elizalde, Emilio
Subjects: Cosmology ; Gravitation ; Matemàtiques i estadística ; Simetria (Física) ; Singularities ; Stands ; Stemming ; Supports ; Àrees temàtiques de la UPC
Is Part Of: Physical review. D, Particles, fields, gravitation, and cosmology, 2012-06, Vol.85 (12), Article 123527
Notes: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Description: It has been claimed in a recent paper [J. D. Barrow, A. B. Batista, J. C. Fabris, M. J. S. Houndjo, and G. Dito, Phys. Rev. D 84, 123518 (2011) (http://dx.doi.org/10.1103/PhysRevD.84.123518).] that sudden singularities will survive in semiclassical gravity. This issue is here carefully reviewed, pointing out that such conclusion, even if valid under some specific conditions, does not stand in other cases. An explicit example is studied in detail to support our statement, stemming from these other situations, that quantum effects may in fact drastically modify the behavior of sudden singularities.
Language: English

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