Tsallis holographic dark energy reconsidered

M Dheepika, TK Mathew - The European Physical Journal C, 2022 - Springer
We consider the interacting Tsallis Holographic Dark Energy (THDE), with the Granda–
Oliveros (GO) scale as the infrared (IR) cutoff, as dynamical vacuum. We analytically solved …

Barrow holographic dark energy model with GO cut-off-An alternative perspective

KP Nandhida, TK Mathew - International Journal of Modern Physics …, 2022 - World Scientific
Recently, Barrow holographic dark energy (BHDE), based on Barrow entropy, has been
proposed to describe the late acceleration of the universe. Contrary to the earlier analysis of …

Insights on Granda–Oliveros holographic dark energy: possibility of negative dark energy at

MT Manoharan - The European Physical Journal C, 2024 - Springer
In holographic dark energy (HDE) models, infrared cut-offs with derivatives of the Hubble
parameter, such as the Granda–Oliveros cut-off, offer a coherent explanation for late-time …

Viscous holographic f (Q) cosmology with some versions of holographic dark energy with generalized cut-offs

G Chakraborty, S Chattopadhyay… - Research in Astronomy …, 2021 - iopscience.iop.org
The work reported in this paper demonstrates the cosmology of f (Q) gravity and the
reconstruction of various associated parameters with different versions of holographic dark …

Cosmology of viscous holographic gravity and consequences in the framework of quintessence scalar field

S Sinha, S Chattopadhyay… - International Journal of …, 2019 - World Scientific
Work reported in this study demonstrates the reconstruction schemes for the f (G) gravity in
the framework of bulk viscosity and holographic background evolution by considering the …

Note on Granda-Oliveros Holographic Dark Energy

MT Manoharan - arxiv preprint arxiv:2311.12409, 2023 - arxiv.org
This article revisits Granda-Oliveros holographic dark energy (GOHDE) model, explores the
features of the parameter space and shows that its ability to explain the late-time …

Using Pantheon and Hubble parameter data to constrain the Ricci dark energy in a Bianchi I Universe

A Najafi, H Hossienkhani - Communications in Theoretical …, 2022 - iopscience.iop.org
In this work, we use the most recent publicly available type Ia supernova (SNIa) compilations
and H (z) data. A well formulated cosmological model based on Bianchi type I (BI) metric is …

Running vacuum cosmology with bulk viscous matter

N Sarath, NDJ Mohan, TK Mathew - Modern Physics Letters A, 2023 - World Scientific
In this paper, we study the late accelerating expansion of the universe by incorporating bulk
viscous matter with the running vacuum. The running vacuum is assumed to be varied as the …

Observational Evidence to Logistic Dark Energy Driving the Accelerating Universe

S Nelleri, G Krishna, N Poonthottathil - arxiv preprint arxiv:2406.18095, 2024 - arxiv.org
We present logistic dark energy model (LDEM), where the dark energy density follows a
logistic function for the scale factor. The equation of state parameter of dark energy ($ w_D …

Bayesian analysis of running holographic Ricci dark energy

P George, TK Mathew - Monthly Notices of the Royal …, 2020 - academic.oup.com
Holographic Ricci dark energy evolving through its interaction with dark matter is a natural
choice for the running vacuum energy model. We have analysed the relative significance of …