Further understanding the interaction between dark energy and dark matter: current status and future directions

B Wang, E Abdalla, F Atrio-Barandela… - Reports on Progress in …, 2024 - iopscience.iop.org
The interaction between dark matter and dark energy can be incorporated into field theory
models of dark energy that have proved successful in alleviating the coincidence problem …

Some interacting cosmic models in deformed Hořava–Liftshiz gravity and dynamical stability

A Jawad, M Usman - The European Physical Journal Plus, 2023 - Springer
In the present article, we study the dynamical stability of some cosmic models and their
cosmographic parameters for the cosmological consequences under the framework of …

Phase space analysis of sign-shifting interacting dark energy models

S Halder, J de Haro, T Saha, S Pan - Physical Review D, 2024 - APS
The theory of nongravitational interaction between a pressureless dark matter (DM) and dark
energy (DE) is a phenomenologically rich cosmological domain which has received …

Delta-shocks and vacuums in Riemann solutions to the Umami Chaplygin Aw–Rascle model

S Li, H Wang - Chaos, Solitons & Fractals, 2024 - Elsevier
This paper is concerned with the formation of delta-shocks and vacuum states for zero-
pressure Euler equations. With the introduction of the Umami Chaplygin gas, the Riemann …

Dynamical systems analysis of an interacting scalar field model in an anisotropic universe

S Bhanja, G Mandal, A Al Mamon… - Journal of Cosmology …, 2023 - iopscience.iop.org
In this paper, we investigate a non-canonical scalar field model in the background dynamics
of anisotropic Locally Rotationally Symmetric (LRS) Bianchi type I universe where gravity is …

Dynamical stability of an interacting quintessence with varying-mass dark matter particles in Lyra manifold

G Mandal, SK Biswas - International Journal of Modern Physics D, 2022 - World Scientific
In the background dynamics of a spatially flat FLRW model of the universe, we investigate
an interacting dark energy (DE) model in the context of Lyra's geometry. Pressure-less dust …

Effects of particle creation rate in two-fluid interacting cosmologies

T Banerjee, G Mandal, A Biswas… - Monthly Notices of the …, 2024 - academic.oup.com
In this work, a two-fluid interacting model in a flat FLRW universe has been studied
considering particle creation mechanism with a particular form of particle creation rate from …

Gravitationally induced matter creation and cosmological consequences

T Banerjee, G Mandal, A Biswas, SK Biswas - arxiv preprint arxiv …, 2023 - arxiv.org
In this work, a two-fluid interacting model in a flat FLRW universe has been studied
considering particle creation mechanism with a particular form of particle creation rate …

Concentration and cavitation in the Riemann solutions to the Umami Chaplygin Euler equations

S Li, H Wang - Physics of Fluids, 2024 - pubs.aip.org
The concentration phenomena in fluid dynamics can be mathematically described by delta-
shocks. With the introduction of flux-function, the Riemann problem for the Euler system with …

A study of interacting scalar field model from the perspective of the dynamical systems theory

G Mandal, S Chakraborty, S Mishra… - Physics of the Dark …, 2023 - Elsevier
In this work, considering the background dynamics of flat Friedmann–Lemaitre–Robertson–
Walker (FLRW) model of the universe, we investigate a scalar field model as dark energy …