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E-Model α-Attractor on Brane from Planck Data and Reheating Temperature

  • Astronomy, Astrophysics, and Cosmology
  • Published:
Moscow University Physics Bulletin Aims and scope

Abstract

In inflation sdandard scenario with α-attractors E-model, the infaltionary parameters determine by the e-fold number N and by the parameter α. Therefore, we study this model in the framework of the Randall—Sundrum type-II braneworld (RSII). From the scalar curvature perturbation constrained by the recent observation values, and in the high-energy limit V ≫ λ, we can reduce the value range of the parameter α in order to render the inflationary parameters (ns, r, and \({{d{n_s}} \over {d\;\ln \;k}}\)) compatible with the latest Planck data. For the reheating epoch, we have computed and discussed the reheating temperature Trh for several parameters, and it is large Trh ~ 1013 GeV.

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Authors and Affiliations

  1. Groupe de Physique des Hautes Energies, Faculté des Sciences Ben M’sik, Université Hassan II, Casablanca, Morocco

    F. Salamate, I. Khay, M. Ferricha-Alami, H. Chakir & M. Bennai

  2. Equipe Physique Quantique et Applications, Laboratoire de Physique de la Matière Condensée (URAC10), Faculté des Sciences Ben M’sik, Université Hassan II, Casablanca, Morocco

    F. Salamate, I. Khay & H. Chakir

  3. Centre of Physics and Mathematics, CPM, Rabat, Morocco

    M. Ferricha-Alami, H. Chakir & M. Bennai

Authors
  1. F. Salamate
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  2. I. Khay
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  3. M. Ferricha-Alami
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  4. H. Chakir
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  5. M. Bennai
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Correspondence to M. Ferricha-Alami.

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Salamate, F., Khay, I., Ferricha-Alami, M. et al. E-Model α-Attractor on Brane from Planck Data and Reheating Temperature. Moscow Univ. Phys. 74, 537–543 (2019). https://doi.org/10.3103/S0027134919050114

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  • DOI: https://doi.org/10.3103/S0027134919050114

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