Self-consistent solutions of the semi-classical Einstein equations with cosmological constant and perfect fluid

Exact solutions of the semi-classical Einstein equations with cosmological constant for conformally invariant free quantum fields in a spatially flat Robertson-Walker metric are found when a classical perfect fluid is present. The stability of the asymptotically Friedmann-de Sitter solutions is stud...

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Autores principales: Chimento, Luis Pascual, Zuccala, Norberto A.
Publicado: 1993
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0004640X_v201_n2_p341_Chimento
http://hdl.handle.net/20.500.12110/paper_0004640X_v201_n2_p341_Chimento
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_0004640X_v201_n2_p341_Chimento
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spelling paper:paper_0004640X_v201_n2_p341_Chimento2023-06-08T14:29:23Z Self-consistent solutions of the semi-classical Einstein equations with cosmological constant and perfect fluid Chimento, Luis Pascual Zuccala, Norberto A. Exact solutions of the semi-classical Einstein equations with cosmological constant for conformally invariant free quantum fields in a spatially flat Robertson-Walker metric are found when a classical perfect fluid is present. The stability of the asymptotically Friedmann-de Sitter solutions is studied. The formers are found to be stable if α < 0, while the stability of the latter depends of the signs of α β, and A. © 1993 Kluwer Academic Publishers. Fil:Chimento, L.P. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Zuccalá, N.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 1993 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0004640X_v201_n2_p341_Chimento http://hdl.handle.net/20.500.12110/paper_0004640X_v201_n2_p341_Chimento
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description Exact solutions of the semi-classical Einstein equations with cosmological constant for conformally invariant free quantum fields in a spatially flat Robertson-Walker metric are found when a classical perfect fluid is present. The stability of the asymptotically Friedmann-de Sitter solutions is studied. The formers are found to be stable if α < 0, while the stability of the latter depends of the signs of α β, and A. © 1993 Kluwer Academic Publishers.
author Chimento, Luis Pascual
Zuccala, Norberto A.
spellingShingle Chimento, Luis Pascual
Zuccala, Norberto A.
Self-consistent solutions of the semi-classical Einstein equations with cosmological constant and perfect fluid
author_facet Chimento, Luis Pascual
Zuccala, Norberto A.
author_sort Chimento, Luis Pascual
title Self-consistent solutions of the semi-classical Einstein equations with cosmological constant and perfect fluid
title_short Self-consistent solutions of the semi-classical Einstein equations with cosmological constant and perfect fluid
title_full Self-consistent solutions of the semi-classical Einstein equations with cosmological constant and perfect fluid
title_fullStr Self-consistent solutions of the semi-classical Einstein equations with cosmological constant and perfect fluid
title_full_unstemmed Self-consistent solutions of the semi-classical Einstein equations with cosmological constant and perfect fluid
title_sort self-consistent solutions of the semi-classical einstein equations with cosmological constant and perfect fluid
publishDate 1993
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0004640X_v201_n2_p341_Chimento
http://hdl.handle.net/20.500.12110/paper_0004640X_v201_n2_p341_Chimento
work_keys_str_mv AT chimentoluispascual selfconsistentsolutionsofthesemiclassicaleinsteinequationswithcosmologicalconstantandperfectfluid
AT zuccalanorbertoa selfconsistentsolutionsofthesemiclassicaleinsteinequationswithcosmologicalconstantandperfectfluid
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