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General Relativity and Quantum Cosmology

arXiv:1510.02337 (gr-qc)
[Submitted on 6 Oct 2015 (v1), last revised 17 Jul 2016 (this version, v2)]

Title:The Hidden Flat Like Universe II: Quasi inverse power law inflation by $f(T)$ gravity

Authors:W. El Hanafy, G.G.L. Nashed
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Abstract:In a recent work, a particular class of $f(T)$ gravity, where $T$ is the teleparallel torsion scalar, has been derived. This class has been identified by flat-like universe (FLU) assumptions \cite{HN15}. The model is consistent with the early cosmic inflation epoch. A quintessence potential has been constructed from the FLU $f(T)$-gravity. We show that the first order potential of the induced quintessence is a quasi inverse power law inflation with an additional constant providing an end of the inflation with no need to an extra mechanism. At $e$-folds $N_{*}= 55$ before the end of the inflation, this type of potential can perform both $E$ and $B$ modes of the cosmic microwave background (CMB) polarization pattern.
Comments: 11 pages, 4 figures and 1 table. Minor changes to match the published version
Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)
Cite as: arXiv:1510.02337 [gr-qc]
  (or arXiv:1510.02337v2 [gr-qc] for this version)
  https://doi.org/10.48550/arXiv.1510.02337
Journal reference: Astrophysics and Space Science, 2016, Volume 361, Number 8
Related DOI: https://doi.org/10.1007/s10509-016-2853-6

Submission history

From: Gamal G.L. Nashed [view email]
[v1] Tue, 6 Oct 2015 20:51:17 UTC (210 KB)
[v2] Sun, 17 Jul 2016 08:44:47 UTC (217 KB)
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