New tests of dark sector interactions from the full-shape galaxy power spectrum

RC Nunes, S Vagnozzi, S Kumar, E Di Valentino… - Physical Review D, 2022 - APS
We explore the role of redshift-space galaxy clustering data in constraining nongravitational
interactions between dark energy (DE) and dark matter (DM), for which state-of-the-art limits …

Kaniadakis holographic dark energy and cosmology

N Drepanou, A Lymperis, EN Saridakis… - The European Physical …, 2022 - Springer
We construct a holographic dark energy scenario based on Kaniadakis entropy, which is a
generalization of Boltzmann-Gibbs entropy that arises from relativistic statistical theory and …

Nonpropagating ghost in covariant gravity

K Hu, M Yamakoshi, T Katsuragawa, S Nojiri, T Qiu - Physical Review D, 2023 - APS
f (Q) gravity is an extension of the symmetric teleparallel equivalent to general relativity
(STEGR). This work shows that based on the scalar-nonmetricity formulation, a scalar mode …

Gravity and cosmology in Kaniadakis statistics: Current status and future challenges

GG Luciano - Entropy, 2022 - mdpi.com
Kaniadakis statistics is a widespread paradigm to describe complex systems in the
relativistic realm. Recently, gravitational and cosmological scenarios based on Kaniadakis …

New Tsallis holographic dark energy

BD Pandey, PS Kumar, Pankaj, UK Sharma - The European Physical …, 2022 - Springer
Tsallis entropy is a generalization of the Boltzmann–Gibbs entropy in statistical theory which
uses a parameter δ to measure the deviation from the standard scenario quantitatively …

[HTML][HTML] Holographic dark energy through Kaniadakis entropy in non flat universe

PS Kumar, BD Pandey, UK Sharma - The European Physical Journal C, 2023 - Springer
By extending the standard holographic principle to a cosmological framework and
combining the non-flat condition with the Kaniadakis entropy, we construct the non-flat …

Modified cosmology from quantum deformed entropy

S Jalalzadeh, H Moradpour, PV Moniz - Physics of the Dark Universe, 2023 - Elsevier
Abstract Jalalzadeh (2022), established that the thermodynamical entropy of a quantum-
deformed black hole with horizon area A can be written as S q= π sin A 8 GN/sin π 2 N …

Kaniadakis holographic dark energy in Brans–Dicke cosmology

S Ghaffari - Modern Physics Letters A, 2022 - World Scientific
By using the holographic hypothesis and Kaniadakis generalized entropy, which is based
on relativistic statistical theory and modified Boltzmann–Gibbs entropy, we build Kaniadakis …

Kaniadakis agegraphic dark energy

PS Kumar, BD Pandey, UK Sharma - New Astronomy, 2024 - Elsevier
In this manuscript, we present a novel dark energy scenario based on Kaniadakis entropy,
which is a generalization of Boltzmann–Gibbs entropy that arises from relativistic statistical …

Kaniadakis entropy in extreme gravitational and cosmological environments: a review on the state-of-the-art and future prospects

GG Luciano - The European Physical Journal B, 2024 - Springer
Kaniadakis (κ-deformed) statistics is being widely used for describing relativistic systems
with non-extensive behavior and/or interactions. It is built upon a one-parameter …