Exploring the Parameter Space of Inflation Model on the Brane and its Compatibility with the Swampland Conjectures

Noori Gashti, Saeed; Alipour, Mohammad Reza; Afshar, MAS

doi:10.22128/jhap.2024.852.1089

Exploring the Parameter Space of Inflation Model on the Brane and its Compatibility with the Swampland Conjectures

Document Type : Regular article

Authors

¹ Department of Physics, Faculty of Basic Sciences, University of Mazandaran P. O. Box 47416-95447, Babolsar, Iran.

² Department of Physics, University of Mazandaran, P. O. Box 47416-95447, Babolsar, Iran

³ Department of Physics, Faculty of Basic Sciences, University of Mazandaran , Babolsar, Iran

10.22128/jhap.2024.852.1089

Abstract

In recent years, inflationary models have been studied from different perspectives using different conditions. Now, in this paper, we want to investigate the inverse monomial Inflation$(IMI)$ on the brane. We limit our results to the potentials of the form $\frac{M^{4+\sigma}}{\phi^{\sigma}}$, where${M, \sigma}$are constants. We calculate some cosmological parameters and then we investigate the satisfaction of the model with some conjectures of the swampland program. We will check the model's compatibility with the refined dS swampland conjecture(RDSSC), further refining the de Sitter swampland conjecture (FRSDC), scalar weak gravity (SWGC), and strong scalar weak gravity conjecture (SSWGC). Despite the incompatibility with (DSC), We find a specific region of compatibility with other ones which means it satisfied the (FRDSSC) for example with (a=0.982873,\hspace{0.1cm} b=0.017127,\hspace{0.1cm} q=2.2). Also, the model is compatible with the (SWGC) with the ($\phi\leq \sigma+2$) condition and consistent with the (SSWGC) with the ($\phi \leq \sqrt{(\sigma+2)(\sigma+1)}$) condition. Since inverse monomial Inflation(IMI) on the brane could satisfy some swampland conjecture simultaneously, it has the potential to be a “real” inflation model of the universe.

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Physics

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Journal of Holography Applications in Physics

Volume 4, Issue 3
September 2024
Pages 35-50

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Receive Date: 12 July 2024
Revise Date: 19 August 2024
Accept Date: 20 September 2024

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Journal of Holography Applications in Physics

Exploring the Parameter Space of Inflation Model on the Brane and its Compatibility with the Swampland Conjectures

Article PDF

Volume 4, Issue 3September 2024Pages 35-50

Volume 4, Issue 3
September 2024
Pages 35-50