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Sudden singularities in semiclassical gravity
Haro Cases, Jaume; Amorós Torrent, Jaume; Elizalde, Emilio
Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada I; Universitat Politècnica de Catalunya. EGSA - Equacions Diferencials, Geometria, Sistemes Dinàmics i de Control, i Aplicacions
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).] 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.
Peer Reviewed
Àrees temàtiques de la UPC::Matemàtiques i estadística
Simetria (Física)
Attribution-NonCommercial-NoDerivs 3.0 Spain

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