Inflationary \(\alpha-\)attractors and \(F(R)\) gravity

We consider a generic class of the so-called inflationary \(-\alpha\) attractor models and compute the cosmological observables in the Einstein and Jordan frames, of the corresponding \(F(R)-\)gravity theory. We find that the two sets coincide (to within errors from the use of the slow-roll approxim...

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Bibliographic Details
Published inarXiv.org
Main Author Kuiroukidis, A
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 26.08.2017
Subjects
Astronomical models
Gravitation
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Summary:We consider a generic class of the so-called inflationary \(-\alpha\) attractor models and compute the cosmological observables in the Einstein and Jordan frames, of the corresponding \(F(R)-\)gravity theory. We find that the two sets coincide (to within errors from the use of the slow-roll approximation) for moderate and large values of the number of e-foldings \(N\), which is the novel result of this paper, generalizing previous results on the subject (see e.g. Ref. (\citen{oik1})). We briefly comment on the possible generalizations of these results.
ISSN:2331-8422
DOI:10.48550/arxiv.1708.07963