De Sitter Model in the presence of scalar fields. I

This paper is based on a modified Jordan tensor-scalar theory of gravitation. Given the current interest in research on vacuum phenomena in cosmic evolution, several standard cosmological models with a scalar field and a physical vacuum (dominant scalar field with a vacuum energy that can be represe...

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Veröffentlicht in:	Astrophysics 2013-09, Vol.56 (3), p.431-442
Hauptverfasser:	Abramyan, L. A., Avagyan, R. M., Harutyunyan, G. H., Hovsepyan, A. V., Chubaryan, E. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Astrophysics Astrophysics and Astroparticles Astrophysics and Cosmology Cosmological constant Cosmology Dark energy Gravity Observations and Techniques Physics Physics and Astronomy Scalar field theory Space Exploration and Astronautics Space Sciences (including Extraterrestrial Physics Studies Theoretical physics
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Beschreibung
Zusammenfassung:	This paper is based on a modified Jordan tensor-scalar theory of gravitation. Given the current interest in research on vacuum phenomena in cosmic evolution, several standard cosmological models with a scalar field and a physical vacuum (dominant scalar field with a vacuum energy that can be represented phenomenologically by a cosmological constant L) are examined in different conformal representations of the Jordan theory.
ISSN:	0571-7256 1573-8191
DOI:	10.1007/s10511-013-9297-2