Mathematics – Functional Analysis
Scientific paper
Jun 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1241..797c&link_type=abstract
INVISIBLE UNIVERSE: Proceedings of the Conference. AIP Conference Proceedings, Volume 1241, pp. 797-803 (2010).
Mathematics
Functional Analysis
Dark Matter, Radiofrequency Cosmic Radiation, Redshift, Cosmology, Functional Analysis, Dark Matter, Background Radiations, Distances, Redshifts, Radial Velocities, Spatial Distribution Of Galaxies, Origin And Formation Of The Universe, Functional Analysis
Scientific paper
Non-minimally coupled scalar field models suffer of unstable growing modes at the linear perturbation level. The nature of these instabilities depends on the dynamical state of the scalar field. In particular in systems which admit adiabatic solutions, large scale instabilities are suppressed by the slow-roll dynamics of the field. Here we review these results and present a preliminary likelihood data analysis suggesting that along adiabatic solutions coupled models with coupling of order of gravitational strength can provide viable cosmological scenarios satisfying constraints from SN Ia, CMB and large scale structure data.
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