Cosmic evolution and thermal stability of Barrow holographic dark energy in a nonflat Friedmann-Robertson-Walker Universe
GG Luciano - Physical Review D, 2022 - APS
We study the cosmological evolution of a nonflat Friedmann-Robertson-Walker Universe
filled by pressureless dark matter and Barrow holographic dark energy (BHDE). The latter is …
filled by pressureless dark matter and Barrow holographic dark energy (BHDE). The latter is …
[HTML][HTML] Saez–Ballester gravity in Kantowski–Sachs Universe: A new reconstruction paradigm for Barrow Holographic Dark Energy
GG Luciano - Physics of the Dark Universe, 2023 - Elsevier
Abstract We reconstruct Barrow Holographic Dark Energy (BHDE) within the framework of
Saez–Ballester Scalar Tensor Theory. As a specific background, we consider a …
Saez–Ballester Scalar Tensor Theory. As a specific background, we consider a …
Thermal stability of Tsallis holographic dark energy in nonflat universe
We consider a nonflat Friedmann–Robertson–Walker universe filled by a pressureless dark
matter and Tsallis holographic dark energy (THDE) whose IR cutoff is the apparent horizon …
matter and Tsallis holographic dark energy (THDE) whose IR cutoff is the apparent horizon …
Physical constraints on interacting dark energy models
Physical limits on the equation-of-state (EoS) parameter of a dark energy component non-
minimally coupled with the dark matter field are examined in light of the second law of …
minimally coupled with the dark matter field are examined in light of the second law of …
Extended ΛCDM model and viscous dark energy: A Bayesian analysis
WJC Da Silva, R Silva - Journal of Cosmology and Astroparticle …, 2019 - iopscience.iop.org
We propose an approach considering the nonextensive effects in the context of the Verlinde
theory in order to address an extended cosmological model in the context of viscous dark …
theory in order to address an extended cosmological model in the context of viscous dark …
Testing the warmness of dark matter
Dark matter (DM) as a pressureless perfect fluid provides a good fit of the standard Λ cold
dark matter (ΛCDM) model to the astrophysical and cosmological data. In this paper, we …
dark matter (ΛCDM) model to the astrophysical and cosmological data. In this paper, we …
Simpler than vacuum: Antiscalar alternatives to black holes
MA Makukov, EG Mychelkin - Physical Review D, 2018 - APS
The Janis-Newman-Winicour and Papapetrou metrics represent counterparts to the
Schwarzschild black hole with scalar and antiscalar background fields, correspondingly …
Schwarzschild black hole with scalar and antiscalar background fields, correspondingly …
Forecast and analysis of the cosmological redshift drift
The cosmological redshift drift could lead to the next step in high-precision cosmic geometric
observations, becoming a direct and irrefutable test for cosmic acceleration. In order to test …
observations, becoming a direct and irrefutable test for cosmic acceleration. In order to test …
A note on the relations between thermodynamics, energy definitions and Friedmann equations
We investigate the relation between the Friedmann and thermodynamic pressure equations,
through solving the Friedmann and thermodynamic pressure equations simultaneously. Our …
through solving the Friedmann and thermodynamic pressure equations simultaneously. Our …
Signature flip in deceleration parameter: a thermodynamic phase transition?
Abstract Using the Hayward–Kodama temperature for the apparent horizon, it is found that
matter content in the Universe is not thermodynamically stable, and the entry to the late …
matter content in the Universe is not thermodynamically stable, and the entry to the late …