Black hole entropy: A closer look

C Tsallis - Entropy, 2019 - mdpi.com
In many papers in the literature, author (s) express their perplexity concerning the fact that
the (3+ 1) black-hole 'thermodynamical'entropy appears to be proportional to its area and …

Barrow entropy corrections to Friedmann equations

A Sheykhi - Physical Review D, 2021 - APS
Recently, Barrow argued that quantum-gravitational effects may introduce intricate, fractal
features on the black hole horizon [JD Barrow,, The area of a rough black hole, Phys. Lett. B …

Theoretical aspects of holographic dark energy

S Wang, M Li - Communications in Theoretical Physics, 2023 - iopscience.iop.org
We review the theoretical aspects of holographic dark energy (HDE) in this paper. Making
use of the holographic principle (HP) and the dimensional analysis, we derive the core …

Modified cosmology through Barrow entropy

A Sheykhi - Physical Review D, 2023 - APS
We investigate the cosmological consequences of the modified Friedmann equations when
the entropy associated with the apparent horizon, given by Barrow entropy, S∼ A 1+ δ/2 …

Slow-roll inflation and growth of perturbations in Kaniadakis modification of Friedmann cosmology

G Lambiase, GG Luciano, A Sheykhi - The European Physical Journal C, 2023 - Springer
Kaniadakis entropy is a one-parameter deformation of the classical Boltzmann–Gibbs–
Shannon entropy, arising from a self-consistent relativistic statistical theory. Assuming a …

Observational constraint on interacting Tsallis holographic dark energy in logarithmic Brans–Dicke theory

Y Aditya, S Mandal, PK Sahoo, DRK Reddy - The European Physical …, 2019 - Springer
In this paper, we investigate the dark energy phenomenon by studying the Tsallis
holographic dark energy within the framework of Brans–Dicke (BD) scalar–tensor theory of …

Growth of perturbations in Tsallis and Barrow cosmology

A Sheykhi, B Farsi - The European Physical Journal C, 2022 - Springer
We report the effects of entropic corrections to the Friedmann equations on the growth of
perturbations in the early stages of the universe. We consider two types of corrections to the …

Dynamical analysis and statefinder of Barrow holographic dark energy

Q Huang, H Huang, B Xu, F Tu, J Chen - The European Physical Journal C, 2021 - Springer
Based on the holographic principle and the Barrow entropy, Barrow holographic dark
energy had been proposed. In order to analyze the stability and the evolution of Barrow …

Cosmic evolution of Tsallis holographic dark energy model in f (R, T2) gravity

M Sharif, MZ Gul, I Hashim - Physics of the Dark Universe, 2024 - Elsevier
In this paper, we study the Tsallis holographic dark energy model to examine the cosmic
evolution in the framework of energy–momentum squared gravity. For this purpose, we use …

Stability analysis of a Tsallis holographic dark energy model

Q Huang, H Huang, J Chen, L Zhang… - Classical and Quantum …, 2019 - iopscience.iop.org
Using the generalized Tsallis entropy, the Tsallis holographic dark energy (THDE) was
proposed recently. In this paper we analyze the cosmological consequences of the THDE …