English

Swampland Conjecture and Inflation Model from Brane Perspective

General Relativity and Quantum Cosmology 2021-12-01 v1 High Energy Physics - Theory

Abstract

Over the past few decades, inflation models have been studied by researchers from different perspectives and conditions in order to introduce a model for the expanding universe. In this paper, we introduce a modified f(R)f(R) gravitational model as (R+γRpR+\gamma R^{p}) in order to examine a new condition for inflation models. Given that our studies are related to a modified f(R)f(R) gravitational model on the brane, therefore we will encounter modified cosmological parameters. So, we first introduce these modified cosmological parameters such as spectral index, a number of e-folds and etc. Then, we apply these conditions to our modified f(R)f(R) gravitational model in order to adapt to the swampland criteria. Finally, we determine the range of each of these parameters by plotting some figures and with respect to observable data such as Planck 2018.

Keywords

Cite

@article{arxiv.2111.15477,
  title  = {Swampland Conjecture and Inflation Model from Brane Perspective},
  author = {J. Sadeghi and B. Pourhassan and S. Noori Gashti and S. Upadhyay},
  journal= {arXiv preprint arXiv:2111.15477},
  year   = {2021}
}

Comments

21 pages, 15 captioned figures, Published in Physica Scripta

R2 v1 2026-06-24T07:57:55.652Z