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General Relativity and Quantum Cosmology

arXiv:2111.07098 (gr-qc)
[Submitted on 13 Nov 2021 (v1), last revised 17 Feb 2022 (this version, v2)]

Title:Inflation and Primordial Fluctuations in $F(T)$ Gravity's Rainbow

Authors:Yoelsy Leyva, Carlos Leiva, Giovanni Otalora, Joel Saavedra
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Abstract:We study slow-roll inflation and the generation of primordial fluctuations in $F(T)$ gravity's rainbow. We obtain the second order action for scalar and tensor perturbations and then calculate the primordial power spectrum for them. Thus, after calculating the inflationary observables up to first order in slow-roll approximation, namely the scalar spectral index $n_{s}$ and the tensor-to scalar ratio $r$, we confront the predictions of the model with the current PLANCK and BICEP/Keck data.
Comments: 12 pages, 4 figures. Updated to match the published version in PRD
Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Theory (hep-th)
Cite as: arXiv:2111.07098 [gr-qc]
  (or arXiv:2111.07098v2 [gr-qc] for this version)
  https://doi.org/10.48550/arXiv.2111.07098
Journal reference: Phys. Rev. D 105, 043523, 2022
Related DOI: https://doi.org/10.1103/PhysRevD.105.043523

Submission history

From: Giovanni Otalora [view email]
[v1] Sat, 13 Nov 2021 11:35:41 UTC (367 KB)
[v2] Thu, 17 Feb 2022 03:00:20 UTC (371 KB)
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