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DOI: 10.1016/j.dark.2022.101164

Analyzing the geometrical and dynamical parameters of modified Teleparallel-Gauss-Bonnet model

Santosh V. LohakareB. MishraS.K. MauryaKsh. Newton Singh
Sep 2022
摘要
To recreate the cosmological models, we employed the parametrization approachin modified teleparallel Gauss-Bonnet gravity. It has been interesting to applythe parametrization approach to investigate cosmological models. The realbenefit of using this method is that the observational data may be incorporatedto examine the cosmological models. Several cosmological parameters wereexamined, such as the Hubble parameter (H), the deceleration parameter (q), andthe equation of state (EoS) parameter (w). The results obtained are consistentwith recent cosmological findings in the conventional scenario. A transitionscenario from a decelerating stage to an accelerating stage of cosmic evolutionhas been observed. The EoS parameter is also in the quintessence phase, whichdrives the accelerating expansion of the Universe. Also, we look at theviolation of strong energy condition, which has become inevitable in thecontext of modified gravitational theory. Finally, we have performed the Om(z)diagnostic and also obtained the age of the Universe by using the data from thecosmological observations.
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