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Perfect fluid and F(T) gravity descriptions of inflationary universe and comparison with obervational data | | M. G. Ganiou
; M. J. S. Houndjo
; M. E. Rodrigues
; J. Tossa
; | | Date: |
4 Sep 2015 | | Abstract: | We describe in this paper the observables of inflationary models, in
particular the spectrum index of torsion scalar perturbations, the
tensor-to-scalar ratio, and the running of the spectral index, in the framework
of perfect fluid models and F(T) gravity theories through the reconstruction
methods. Then, our results on the perfect fluid and F(T) gravity theories of
inflation are compared with recent cosmological observations such as the Planck
satellite and BICEP2 experiment. Ours studies prove that the perfect fluid and
F(T) gravity models can reproduce the inflationary universe consistent above
all with the Planck data. We have reconstructed several models and considered
others which give the best fit values compatible with the spectral index of
curvature perturbations, the tensor-to-scalar ratio, and the running of the
spectral index within the allowed ranges suggested by the Planck and BICEP2
results. | | Source: | arXiv, 1509.3266 | | Services: | Forum | Review | PDF | Favorites | |
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