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Cosmological consequences of modified Friedmann equations according to holographic equipartition law

Abdul Jawad

Department of Mathematics, COMSATS University, Islamabad, Lahore-Campus, Lahore 54000, Pakistan

E-mail Address: jawadab181@yahoo.com

E-mail Address: abduljawad@cuilahore.edu.pk

Corresponding author.

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Sidra Saleem

Department of Mathematics, COMSATS University, Islamabad, Lahore-Campus, Lahore 54000, Pakistan

E-mail Address: sidranoor022@gmail.com

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, and

Saba Qummer

Department of Mathematics, COMSATS University, Islamabad, Lahore-Campus, Lahore 54000, Pakistan

E-mail Address: sabaqummer143@gmail.com

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https://doi.org/10.1142/S0217751X2150069XCited by:0 (Source: Crossref)

Abstract

We examine thermodynamically an extra driving term for the flat universe by applying Sharma Mittal entropy to Padmanabhan’s holographic equipartition law. Deviations from the Bekenstein–Hawking entropy by using this law, we generate an extra driving in the acceleration equation. By using the constant and parametrized equation of state parameter, we investigate the different cosmological parameters like deceleration parameter, squared speed of sound, Om-diagnostic and statefinder parameter through graphical approach. We observe compatible results with current observational data in both models. Generalized second law of thermodynamics also remains valid in both cases.

Keywords:

PACS: 95.36.+d, 98.80.-k

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