The dynamical behavior of scalar fields near the initial singularity

One of the most important topics in present research on theoretical cosmology is the behavior of scalar fields in the very early universe, since by means of their existence it is possible to explain some of the basic phenomena that have characterized the evolution of the universe to its present stat...

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Veröffentlicht in:	General relativity and gravitation 1990, Vol.22 (1), p.97-109
Hauptverfasser:	DE RITIS, R, PLATANIA, G, SCUDELLARO, P, STORNAIOLO, C
Format:	Artikel
Sprache:	eng
Schlagworte:	640106 - Astrophysics & Cosmology- Cosmology CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Classical general relativity COSMOLOGICAL MODELS COSMOLOGY DIFFERENTIAL EQUATIONS DYNAMICS EQUATIONS Exact sciences and technology General relativity and gravitation INFLATIONARY UNIVERSE KLEIN-GORDON EQUATION MATHEMATICAL MODELS MECHANICS NONLUMINOUS MATTER PARTIAL DIFFERENTIAL EQUATIONS Physics SCALAR FIELDS SINGULARITY UNIVERSE WAVE EQUATIONS
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Zusammenfassung:	One of the most important topics in present research on theoretical cosmology is the behavior of scalar fields in the very early universe, since by means of their existence it is possible to explain some of the basic phenomena that have characterized the evolution of the universe to its present state. Analyzing the Klein-Gordon equation in a homogeneous, isotropic and spatially flat universe model, the authors find the conditions for the existence of a universe dominated by a scalar field in its early stages.
ISSN:	0001-7701 1572-9532
DOI:	10.1007/BF00769249