Exploring the Parameter Space of Inflation Model on the Brane and its Compatibility with the Swampland Conjectures
Publish Year: 1403
نوع سند: مقاله ژورنالی
زبان: English
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JR_JAHP-4-3_004
تاریخ نمایه سازی: 16 مهر 1403
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^{۴+\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=۰.۹۸۲۸۷۳,\hspace{۰.۱cm} b=۰.۰۱۷۱۲۷,\hspace{۰.۱cm} q=۲.۲). Also, the model is compatible with the (SWGC) with the (\phi\leq \sigma+۲) condition and consistent with the (SSWGC) with the (\phi \leq \sqrt{(\sigma+۲)(\sigma+۱)}) 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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Authors
Saeed Noori Gashti
Department of Physics, Faculty of Basic Sciences, University of Mazandaran P. O. Box ۴۷۴۱۶-۹۵۴۴۷, Babolsar, Iran.
Mohammad Reza Alipour
Department of Physics, University of Mazandaran, P. O. Box ۴۷۴۱۶-۹۵۴۴۷, Babolsar, Iran
MAS Afshar
Department of Physics, Faculty of Basic Sciences, University of Mazandaran , Babolsar, Iran
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