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dc.contributor.author
Chimento, Luis Pascual  
dc.contributor.author
Zuccalá, Norberto Alejandro  
dc.date.available
2018-08-07T16:00:27Z  
dc.date.issued
2000-03  
dc.identifier.citation
Chimento, Luis Pascual; Zuccalá, Norberto Alejandro; Cosmological models in semi-classical and higher order gravitational theories; Springer; Astrophysics And Space Science; 274; 4; 3-2000; 837-849  
dc.identifier.issn
0004-640X  
dc.identifier.uri
http://hdl.handle.net/11336/54429  
dc.description.abstract
We have studied semiclassical models with a classical scalar field, giving exact solutions in the cases of a λ φ4 and an exponential self-interaction potential, in the last case we have also studied the influence of the vacuum polarization terms on the stability of the power-law solutions. We have also found cosmological exact solutions to the higher order gravitational equations derived from a Lagrangian with a R □k R structure, and investigated the stability of the de Sitter and Minkowski space-time in the sixth order approximation of this theory.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Springer  
dc.rights
info:eu-repo/semantics/restrictedAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Semiclassical Gravity  
dc.subject
Classical Scalar Field  
dc.subject
Exponential Potential  
dc.subject.classification
Astronomía  
dc.subject.classification
Ciencias Físicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
Cosmological models in semi-classical and higher order gravitational theories  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2018-07-23T18:29:35Z  
dc.journal.volume
274  
dc.journal.number
4  
dc.journal.pagination
837-849  
dc.journal.pais
Alemania  
dc.journal.ciudad
Berlin  
dc.description.fil
Fil: Chimento, Luis Pascual. Universidad de Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina  
dc.description.fil
Fil: Zuccalá, Norberto Alejandro. Universidad de Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina  
dc.journal.title
Astrophysics And Space Science  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1023/A%3A1026574105476  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1023/A:1026574105476  

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