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Abstract:

We find exact solutions for isotropic cosmological models containing a self-interacting scalar field possessing an interaction potential of a general class. In particular, we consider the combination of exponential potentials arising from a perturbation expansion in superstring theories. We also consider a general class of potentials that give rise to power-law and polynomial chaotic inflation, as well as the intermediate inflationary models. We compute the scalar and tensor perturbations produced in those models and use the exact solutions obtained to examine the consistency of the first-order slow-roll expansion.

Registro:

Documento: Artículo
Título:Cosmological models arising from generalized scalar field potentials
Autor:Chimento, L.P.; Méndez, V.; Zuccalá, N.
Filiación:Departamento de Física, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Facultat de Ciencies de la Salut, Univ. Internacional de Catalunya, c/gomera s/n. Sant Cugat del Valles, 08190 Barcelona, Spain
Año:1999
Volumen:16
Número:11
Página de inicio:3749
Página de fin:3763
DOI: http://dx.doi.org/10.1088/0264-9381/16/11/319
Título revista:Classical and Quantum Gravity
Título revista abreviado:Classical Quantum Gravity
ISSN:02649381
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02649381_v16_n11_p3749_Chimento

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Citas:

---------- APA ----------
Chimento, L.P., Méndez, V. & Zuccalá, N. (1999) . Cosmological models arising from generalized scalar field potentials. Classical and Quantum Gravity, 16(11), 3749-3763.
http://dx.doi.org/10.1088/0264-9381/16/11/319
---------- CHICAGO ----------
Chimento, L.P., Méndez, V., Zuccalá, N. "Cosmological models arising from generalized scalar field potentials" . Classical and Quantum Gravity 16, no. 11 (1999) : 3749-3763.
http://dx.doi.org/10.1088/0264-9381/16/11/319
---------- MLA ----------
Chimento, L.P., Méndez, V., Zuccalá, N. "Cosmological models arising from generalized scalar field potentials" . Classical and Quantum Gravity, vol. 16, no. 11, 1999, pp. 3749-3763.
http://dx.doi.org/10.1088/0264-9381/16/11/319
---------- VANCOUVER ----------
Chimento, L.P., Méndez, V., Zuccalá, N. Cosmological models arising from generalized scalar field potentials. Classical Quantum Gravity. 1999;16(11):3749-3763.
http://dx.doi.org/10.1088/0264-9381/16/11/319