Mathematics – Logic
Scientific paper
Jun 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1241.1216c&link_type=abstract
INVISIBLE UNIVERSE: Proceedings of the Conference. AIP Conference Proceedings, Volume 1241, pp. 1216-1220 (2010).
Mathematics
Logic
Dark Matter, Cosmology, Universe, Astronomical Telescopes, Dark Energy, Observational Cosmology, Origin And Formation Of The Universe, Space-Based Ultraviolet, Optical, And Infrared Telescopes
Scientific paper
The article considers cosmological models in the framework of the Jordan-Brans-Dicke (JBD) theory in the Einstein frame. It separately discusses the cases of scalar field domination, as well as the presence of cosmological constant Λ, with matter, which is described by the barometric equation of state P = αɛ (P-pressure, V-energy density of matter). The analysis of obtained results is carried out in the light of modern observational data. It is shown that the contribution of the scalar field and Λ-term (Λ>0) in the case of q = -12(q = äaȧ2 decelerating parameter) compensate each other, and the situation becomes like in Einstein's theory.
Avagyan R. M.
Chubaryan E. V.
Harutunyan G. G.
Piloyan Arpine S.
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