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A cosmological model is proposed for the current Universe consisted of non-interacting baryonic matter and interacting dark components. The dark energy and dark matter are coupled through their effective barotropic indexes, which are…

Astrophysics · Physics 2009-06-15 Luis P. Chimento , Monica Forte , Gilberto M. Kremer

In this paper we study new cosmological models involving new forms of non-gravitational interaction between cold dark matter and dark energy. The main purpose is to demonstrate the applicability of the forms of interaction to the problem in…

General Relativity and Quantum Cosmology · Physics 2017-08-09 Martiros Khurshudyan , Asatur Khurshudyan

In this work, we study a Dark Energy (DE) energy density model which depends on the Hubble parameter squared $H^2$ and on its first, second and third time derivatives $\dot{H}$, $\ddot{H}$ and $\dddot{H}$. Considering a scale factor $a$…

General Relativity and Quantum Cosmology · Physics 2025-10-23 Antonio Pasqua

In this paper, a new version of the interacting model of new agegraphic dark energy (INADE) is proposed and analyzed in detail. The interaction between dark energy and dark matter is reconsidered. The interaction term $Q=bH_0\rho_{\rm…

Cosmology and Nongalactic Astrophysics · Physics 2014-02-10 Jing-Fei Zhang , Li-Ang Zhao , Xin Zhang

We propose a holographic tachyon model of dark energy with interaction between the components of the dark sector. The correspondence between the tachyon field and the holographic dark energy densities allows the reconstruction of the…

General Relativity and Quantum Cosmology · Physics 2010-11-25 Alberto Rozas-Fernández , David Brizuela , Norman Cruz

We present an overview of the main results from our two companion papers that are relevant for observational constraints on interacting dark energy (IDE) models. We provide analytical solutions for the dark matter and dark energy densities,…

General Relativity and Quantum Cosmology · Physics 2025-10-20 Marcel van der Westhuizen , Amare Abebe , Eleonora Di Valentino

We explore an autonomous system analysis of dark energy models with interactions between dark energy and cold dark matter in a general systematic approach to cosmological fluids. We investigate two types of models such as local and…

General Relativity and Quantum Cosmology · Physics 2024-03-14 Parth Shah , Gauranga C. Samanta , Kazuharu Bamba , R. Myrzakulov

In the derivation of Holographic Dark Energy (HDE), the area law of the black hole entropy assumes a crucial role. However, the entropy-area relation can be modified including some quantum effects, motivated from the Loop Quantum Gravity…

General Physics · Physics 2015-06-12 Antonio Pasqua , Iuliia Khomenko

In this review we consider in detail different theoretical topics associated with interaction in the dark sector. We study linear and nonlinear interactions which depend on the dark matter and dark energy densities. We consider a number of…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-25 Yu. L. Bolotin , A. Kostenko , O. A. Lemets , D. A. Yerokhin

In this work we explore a Holographic Dark Energy Model in a flat Friedmann-Lema\^itre-Robertson-Walker Universe, which contains baryons, radiation, cold dark matter and dark energy within the framework of General Relativity. Furthermore,…

General Relativity and Quantum Cosmology · Physics 2019-05-10 Carlos Rodriguez-Benites , Mauricio Cataldo , Antonella Cid , Carlos Ríos

So far, there have been no theories or observational data that deny the presence of interaction between dark energy and dark matter. We extend naturally the holographic dark energy (HDE) model, proposed by Granda and Oliveros, in which the…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Fei Yu , Jingfei Zhang , Jianbo Lu , Wei Wang , Yuanxing Gui

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 candidate which interacting with the pressure-less dust as dark…

General Relativity and Quantum Cosmology · Physics 2023-05-25 Goutam Mandal , Soumya Chakraborty , Sudip Mishra , Sujay Kr. Biswas

We investigate the impacts of interaction between dark matter and dark energy in the context of two dark energy models, holographic and ghost dark energy. In fact, using the dynamical system analysis, we obtain the cosmological consequence…

General Relativity and Quantum Cosmology · Physics 2017-07-26 Hanif Golchin , Sara Jamali , Esmaeil Ebrahimi

We examine the evolution of a holographic cosmological model with future event horizon as the infrared cut-off and dark matter and dark energy do not evolve independently $-$ there is interaction between them. The basic evolution equations…

General Relativity and Quantum Cosmology · Physics 2011-06-24 Ritabrata Biswas , Nairwita Mazumder , Subenoy Chakraborty

We construct a generalized interacting model of Barrow Holographic Dark Energy (BHDE) with infrared cutoff being given by the Hubble horizon. We analyze the cosmological evolution of a flat Friedmann-Lema\^itre-Robertson-Walker Universe…

General Relativity and Quantum Cosmology · Physics 2025-03-25 Giuseppe Gaetano Luciano , Jaume Giné

In this work we model two non-linear directly interacting scenarios in dark sector of the universe with the dimensionless parameter $\alpha$ and $\beta$, which dominate the energy exchange between dark energy and dark matter. The central…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-08 Jiangang Kang

We investigate the cosmological evolution of the power law K-essence dark energy (DE) model $F(X)= -\sqrt{X} + X$ with a new interaction $Q = \alpha\rho _m\rho _{\phi }H^{-1}$ in FRWL spacetime. The evolution behavior of dark energy under…

General Relativity and Quantum Cosmology · Physics 2022-01-21 Qile Zhang , Wei Fang , Chenggang Shu

Motivated by the recent work of Wang, Lin, Pavon, and Abdalla [1], we generalize their work to the non-flat case. In particular, we provide a thermodynamical interpretation for the holographic dark energy model in a non-flat universe. For…

High Energy Physics - Theory · Physics 2008-11-26 M. R. Setare , Elias C. Vagenas

A model for a homogeneous and isotropic spatially flat Universe, composed of baryons, radiation, neutrinos, dark matter and dark energy is analyzed. We infer that dark energy (considered to behave as a scalar field) interacts with dark…

General Relativity and Quantum Cosmology · Physics 2013-09-16 Lucas G. Collodel , Gilberto M. Kremer

In this paper, we consider a recently proposed model of Dark Energy (DE) know as Modified Holographic Ricci DE (MHRDE) (which is function of the Hubble parameter and its first derivative with respect to the cosmic time $t$) in the light of…

General Physics · Physics 2017-05-31 Antonio Pasqua , Surajit Chattopadhyay , Iuliia Khomenko