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- Title
Cosmic Evolution of the Logarithmic f (R) Model and the dS Swampland Conjecture.
- Authors
Sadeghi, Jafar; Pourhassan, Behnam; Noori Gashti, Saeed; Naghd Mezerji, Elaheh; Pasqua, Antonio
- Abstract
In this paper, we study the inflationary scenario in logarithmic f (R) gravity, where the rate of inflation roll is constant. On the other hand, our gravitational f (R) model is a polynomial plus a logarithmic term. We take advantage of constant-roll conditions and investigate the cosmic evolution of the logarithmic f (R) gravity. We present a numerical and a graphical study using the model parameters. Additionally, we obtain the corresponding potential by using the constant-roll condition. We obtain the exact value of the potential satisfying the constant-roll conditions. Next, we challenge it with refined swampland conjecture with respect to the Planck data. Finally, we compare our results with the latest observable data.
- Subjects
LOGICAL prediction; PRICE inflation; GRAVITY; NEUTRINOS
- Publication
Universe (2218-1997), 2022, Vol 8, Issue 12, p623
- ISSN
2218-1997
- Publication type
Article
- DOI
10.3390/universe8120623