Kantowski–Sachs viscous Ricci dark energy model in Saez–Ballester theory of gravitation

Santhi, M. Vijaya; Sobhanbabu, Y.

doi:10.1007/s12648-021-02121-1

Cited by 7 publications

(1 citation statement)

References 59 publications

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“…Many authors have studied the stability of cosmological models using various techniques, some of them are Nimkar et al [24], Geovanny et al [25], Katore et al [26,27], Shah et al [28], Ahmed et al [29], Sharif et al [30], Knutsen [31,32], and Wanas et al [33], Vinutha et al [34], Koussour et al [35], Yadav et al [36], Chiang-Mei Chen et al [37], and Saha et al [38]. Also, Santhi et al [39], Thakur [40], Zhai et al [41], and Debnath et al [42] proposed a new parameter called the ( diagnostic. Drawing inspiration from the previously mentioned works, this research investigates an axially symmetric cosmological model with perfect fluid in the presence of Lyra geometry.…”

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confidence: 99%

Stability of Axially Symmetric Cosmological Model in Lyra Geometry

Nimkar,

Wath

2023

J. Sci. Res.

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The present study concerns an examination of a cosmological model that exhibits axially symmetric and incorporates perfect fluid within the context of Lyra geometry. The field equations are solved by utilising the relation between the metric coefficients and the equation of state for a stiff fluid. The physical and kinematic properties, namely the Hubble parameter, the deceleration parameter, the energy density, and the pressure, have been examined, and their graphical behaviour has been analysed. Furthermore, we examined several additional parameters, including the redshift and the Om(z) diagnostic, and verified the stability of the model by utilising the sound speed ratio and perturbation technique.

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