Quintessence Behavior of an Anisotropic Bulk Viscous Cosmological Model in Modified f(Q)-Gravity

A Pradhan, A Dixit, DC Maurya - Symmetry, 2022 - mdpi.com
anisotropic viscous cosmological model having LRS Bianchi type I spacetime with f ( Q )
gravity… We consider f ( Q ) gravity in an anisotropic background and solve the field equations for …

Anisotropic gravity model with bulk viscosity

M Koussour, SH Shekh, M Bennai… - … Physics Letters A, 2024 - World Scientific
… evolution within the context of modified gravity and bulk viscosity. … In this study, we will
investigate a cosmological model aimed … the similarity of our model to the quintessence scenario. …

The impact of viscosity and anisotropy on cosmic expansion in f (Q, T) gravity

S Bekkhozhayev, A Zhadyranova… - Physics of the Dark …, 2024 - Elsevier
… by a bulk viscous fluid coupled with a modified gravity theory. … dark energy, displays
quintessence-like behavior according … we explore a cosmological model based on f ( Q , T ) …

[PDF][PDF] Quintessence Behavior of an Anisotropic Bulk Viscous Cosmological Model in Modified f (Q)-Gravity. Symmetry 2022, 14, 2630

A Pradhan, A Dixit, DC Maurya - 2022 - academia.edu
anisotropic viscous cosmological model having LRS Bianchi type I spacetime with f(Q) gravity
We consider f(Q) gravity in an anisotropic background and solve the field equations for the …

Bulk viscous fluid cosmological models in f (R, T) gravity

J Satish, R Venkateswarlu - Chinese Journal of Physics, 2016 - Elsevier
… for different cases (isotropic, anisotropic, dissipative collapse… FRW cosmology may lead
either to an effective quintessence … They proved that the modified f (R) gravity representing a …

Phantom dark energy nature of bulk-viscosity universe in modified -gravity

A Dixit, DC Maurya, A Pradhan - International Journal of Geometric …, 2022 - World Scientific
anisotropic cosmological model in the modified theory of f(Q)… −1 <ω< −1/3 articulating as a
Quintessence field dark energy [6,7] … The behavior of deceleration parameter q shows that our …

[HTML][HTML] Viscous cosmology in f (T) gravity

J Yang, RH Lin, XH Zhai - The European Physical Journal C, 2022 - Springer
… standard model not only for the modification of f(T) gravity but … to be isotropic and expanding,
only bulk viscosity should be … ) for our model, as well as a specific quintessence model and …

Constraints on bulk viscosity in f (Q, T) gravity from H (z)/Pantheon+ data

M Koussour, A Errehymy, O Donmez… - Physics of the Dark …, 2024 - Elsevier
… our model aligns with quintessence behavior. Finally, our … In Section 3, we derive the
modified Friedmann equations … , assuming that the cosmos is governed by the isotropic, …

Constraining the cosmological model of modified f(Q) gravity: Phantom dark energy and observational insights

M Koussour, N Myrzakulov… - … of Theoretical and …, 2023 - academic.oup.com
… application of cosmological diagnostic … behavior exhibited by our cosmological model.
These results collectively contribute to our understanding of the dynamic interplay between gravity

Late-time viscous cosmology in f (R, T) gravity

S Arora, S Bhattacharjee, PK Sahoo - New Astronomy, 2021 - Elsevier
… is spatially isotropic and therefore the shear viscosity plays … We therefore turn our attention
to modified gravity theories (MGT… Quintessence type dark energy models. The trajectory of our …