Cosmological perturbations in exact-Noether background solutions

Details Cosmological perturbations in exact-Noether background solutions Cosmological perturbations in exact-Noether background solutions

Sep 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phrvd..52.3288c&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 52, Issue 6, 15 September 1995, pp.3288-3297

Mathematics

Logic

19

Particle-Theory And Field-Theory Models Of The Early Universe, Background Radiations

Scientific paper

We construct and discuss cosmological perturbations for a wide class of exact flat FRW background solutions deduced from scalar-tensor theories in which the scalar field φ is minimally or nonminimally coupled with the geometry. The perturbation potential in our models depends on a free parameter. The free parameter and hence the potential can be constrained by comparing the obtained spectrum of density perturbations with observed galaxy correlations and anisotropy of the microwave background radiation.

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