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Hyperbolic Inflation in the Light of Planck 2015 data
(APSPhysical Review D, 2015-05-18)
Rubano and Barrow have discussed the emergence of a dark energy, with late-time cosmic acceleration arising from a self-interacting homogeneous scalar field with a potential of hyperbolic power type. Here, we study the ...
Observational constraints on new exact inflationary scalar-field solutions
(American Physical SocietyPhysical Review D, 2016-10-15)
An algorithm is used to generate new solutions of the scalar-field equations in homogeneous and isotropic universes. Solutions can be found for pure scalar fields with various potentials in the absence and presence of ...