Modeling a holographic inflationary scenario in the framework of f(T,𝒯) gravity

Salako, Ines G.; Hounmenou, Samson S.; Monwanou, V.A.; Batista, C.E. M.; Baffou, Etienne; Gbetoho, L.D.; Houndjo, Stephane

doi:10.1142/S0217751X24501446

Modeling a holographic inflationary scenario in the framework of f(T,𝒯) gravity

Ines G. Salako
(
- Unlisted, BJ and
- Benin, IMSP
)
,
Samson S. Hounmenou
(
- Benin, IMSP
)
,
V.A. Monwanou
(
- Benin, IMSP
)
,
C.E. M. Batista
(
)
,
Etienne Baffou
(
- Abomey-Calavi U.
)

Feb 10, 2025

23 pages

Published in:

Int.J.Mod.Phys.A 40 (2025) 04, 2450144,
Int.J.Mod.Phys.A (2025)

Published: Feb 10, 2025

DOI:

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Abstract: (WSP)

In the framework of f(T,𝒯) gravity, where T denotes the torsion scalar and 𝒯 signifies the energy–momentum tensor’s trace, our study explores the realm of holographic inflation. We employed a holographic potential, incorporating three widely recognized inflationary potentials in cosmological research. Our main objective was to determine the range of parameters that govern the interaction between geometry and matter, which plays a crucial role in describing inflationary phenomena in the universe. By calculating the slow-roll parameters, we were able to forecast critical cosmological quantities, including the scalar spectral index ns, the tensor-to-scalar ratio r and the tensor spectral index nT, all expressed in terms of the potential’s parameters. When comparing these findings with those derived in teleparallel gravity, which is equivalent to General Relativity (GR), we identified the significant impact of the parameter linking geometry and matter. This influence is thoroughly demonstrated through detailed results in various tables, highlighting its role in f(T,𝒯) gravity. Our outcomes underscore the strength of the interaction between geometry and matter while showing considerable alignment with the PLANCK 2018 and WMAP data, thereby reinforcing the reliability and relevance of our conclusions.

Note:

Submitted to International Journal of Modern Physics A

Holographic Inflationary
slow-roll parameter
f(T,𝒯)
04.50.Kd
95.36.+x
98.80.−k
98.80.Cq
11.25.−w

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