Holographic dark energy
We review the paradigm of holographic dark energy (HDE), which arises from a theoretical
attempt of applying the holographic principle (HP) to the dark energy (DE) problem. Making …
attempt of applying the holographic principle (HP) to the dark energy (DE) problem. Making …
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 …
features on the black hole horizon [JD Barrow,, The area of a rough black hole, Phys. Lett. B …
Thermodynamic behavior of the Friedmann equation at the apparent horizon<? format?> of the FRW universe
M Akbar, RG Cai - Physical Review D—Particles, Fields, Gravitation, and …, 2007 - APS
It is shown that the differential form of Friedmann equation of a FRW universe can be
rewritten as the first law of thermodynamics d E= T d S+ W d V at apparent horizon, where …
rewritten as the first law of thermodynamics d E= T d S+ W d V at apparent horizon, where …
Thermodynamic parametrization of dark energy
We propose a new parametrization of dark energy motivated by thermodynamics. To this
aim, we consider Padé polynomials to reconstruct the form of deceleration parameter …
aim, we consider Padé polynomials to reconstruct the form of deceleration parameter …
[HTML][HTML] Modified Friedmann equations from Tsallis entropy
A Sheykhi - Physics Letters B, 2018 - Elsevier
It was shown by Tsallis and Cirto that thermodynamical entropy of a gravitational system
such as black hole must be generalized to the non-additive entropy, which is given by S h= γ …
such as black hole must be generalized to the non-additive entropy, which is given by S h= γ …
The generalized second law of thermodynamics with Barrow entropy
We investigate the validity of the generalized second law of thermodynamics, applying
Barrow entropy for the horizon entropy. The former arises from the fact that the black-hole …
Barrow entropy for the horizon entropy. The former arises from the fact that the black-hole …
Dynamics of an interacting Barrow holographic dark energy model and its thermodynamic implications
In this paper, using Barrow entropy, we propose an interacting model of Barrow holographic
dark energy (BHDE). In particular, we study the evolution of a spatially flat FLRW universe …
dark energy (BHDE). In particular, we study the evolution of a spatially flat FLRW universe …
Sign switching dark energy from a running barrow entropy
Barrow proposed that the area law of the entropy associated with a horizon might receive a
“fractal correction” due to quantum gravitational effects—in place of S∝ A, we have instead …
“fractal correction” due to quantum gravitational effects—in place of S∝ A, we have instead …
Thermodynamics of dark energy interacting with dark matter and radiation
We investigate the validity of the generalized second law of thermodynamics, in the
cosmological scenario where dark energy interacts with both dark matter and radiation …
cosmological scenario where dark energy interacts with both dark matter and radiation …
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 …
the entropy associated with the apparent horizon, given by Barrow entropy, S∼ A 1+ δ/2 …