Semi-classical cosmological models with scalar, Dirac and electromagnetic fields

Exact solutions of the semi-classical Einstein equations for conformally invariant free quantum fields in an homogeneous and isotropic space-time, with cosmological constant and containing a classical scalar field, dust matter, an unquantised Dirac field and electromagnetic radiation are found. The...

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Autores principales: Chimento, L.P., Zuccalá, N.A.
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0004640X_v254_n1_p37_Chimento
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_0004640X_v254_n1_p37_Chimento
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spelling todo:paper_0004640X_v254_n1_p37_Chimento2023-10-03T14:02:50Z Semi-classical cosmological models with scalar, Dirac and electromagnetic fields Chimento, L.P. Zuccalá, N.A. Exact solutions of the semi-classical Einstein equations for conformally invariant free quantum fields in an homogeneous and isotropic space-time, with cosmological constant and containing a classical scalar field, dust matter, an unquantised Dirac field and electromagnetic radiation are found. The initial behaviour of the semiclassical models is investigated. Some of the solutions found avoid the singularity and do not have particle horizons. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_0004640X_v254_n1_p37_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 for conformally invariant free quantum fields in an homogeneous and isotropic space-time, with cosmological constant and containing a classical scalar field, dust matter, an unquantised Dirac field and electromagnetic radiation are found. The initial behaviour of the semiclassical models is investigated. Some of the solutions found avoid the singularity and do not have particle horizons.
format JOUR
author Chimento, L.P.
Zuccalá, N.A.
spellingShingle Chimento, L.P.
Zuccalá, N.A.
Semi-classical cosmological models with scalar, Dirac and electromagnetic fields
author_facet Chimento, L.P.
Zuccalá, N.A.
author_sort Chimento, L.P.
title Semi-classical cosmological models with scalar, Dirac and electromagnetic fields
title_short Semi-classical cosmological models with scalar, Dirac and electromagnetic fields
title_full Semi-classical cosmological models with scalar, Dirac and electromagnetic fields
title_fullStr Semi-classical cosmological models with scalar, Dirac and electromagnetic fields
title_full_unstemmed Semi-classical cosmological models with scalar, Dirac and electromagnetic fields
title_sort semi-classical cosmological models with scalar, dirac and electromagnetic fields
url http://hdl.handle.net/20.500.12110/paper_0004640X_v254_n1_p37_Chimento
work_keys_str_mv AT chimentolp semiclassicalcosmologicalmodelswithscalardiracandelectromagneticfields
AT zuccalana semiclassicalcosmologicalmodelswithscalardiracandelectromagneticfields
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