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The physics of the dark sector has remained one of the controversial areas of modern cosmology at present and hence it naturally attracts massive attention to the scientific community. With the developments of the astronomical data, the…

Cosmology and Nongalactic Astrophysics · Physics 2020-06-03 Weiqiang Yang , Supriya Pan , Eleonora Di Valentino , Bin Wang , Anzhong Wang

We extend our previous analysis and consider the interacting holographic Ricci dark energy (IRDE) model in non-flat universe. We study astrophysical constraints on this model using the recent observations including the type Ia supernovae…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-23 Masashi Suwa , Koji Kobayashi , Hisashi Oshima

We perform a Bayesian model selection analysis for different classes of phenomenological coupled scenarios of dark matter and dark energy with linear and non-linear interacting terms. We use a combination of some of the latest cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2019-04-08 Antonella Cid , Beethoven Santos , Cassio Pigozzo , Tassia Ferreira , Jailson Alcaniz

The possibility of a non-gravitational interaction between the dark matter and the dark energy has been reconstructed using some recent datasets. The crucial aspect is that the interaction is not parametrized at the outset, but rather…

Cosmology and Nongalactic Astrophysics · Physics 2021-06-15 Purba Mukherjee , Narayan Banerjee

We explore the cosmological implications of the interactions among the dark particles in the dark $SU(2)_R$ model. It turns out that the relevant interaction is between dark energy and dark matter, through a decay process. With respect to…

Cosmology and Nongalactic Astrophysics · Physics 2018-07-02 Ricardo G. Landim , Rafael J. F. Marcondes , Fabrízio F. Bernardi , Elcio Abdalla

We explore a scenario of interacting dynamical dark energy model with the interaction term $Q$ including the varying equation-of-state parameter $w$. Using the data combination of the cosmic microwave background, the baryon acoustic…

General Relativity and Quantum Cosmology · Physics 2021-12-21 Rui-Yun Guo , Lu Feng , Tian-Ying Yao , Xing-Yu Chen

To explore whether there is new physics going beyond the standard cosmological model or not, we constrain seven cosmological models by combining the latest and largest Pantheon Type Ia supernovae sample with the data combination of baryonic…

Cosmology and Nongalactic Astrophysics · Physics 2018-06-13 Deng Wang

In this paper we extend the form of interaction term into the non-linear regime in the ghost dark energy model. A general form of non-linear interaction term is presented and cosmic dynamic equations are obtained. Next, the model is…

General Relativity and Quantum Cosmology · Physics 2016-11-03 E. Ebrahimi , H. Golchin

We present a scenario in which a scalar field dark energy is coupled to the trace of the energy momentum tensor of the baryonic matter fields. In the slow-roll regime, this interaction could give rise to the cosmological features of dark…

Cosmology and Nongalactic Astrophysics · Physics 2011-02-02 Alejandro Aviles , Jorge L. Cervantes-Cota

Models with interacting dark energy can alleviate the cosmic coincidence problem by allowing dark matter and dark energy to evolve in a similar fashion. At a fundamental level, these models are specified by choosing a functional form for…

Astrophysics · Physics 2008-11-26 Rogerio Rosenfeld

We study a cosmological model based on the holographic principle that allows an interaction between dark energy and dark matter with a Hubble infrared cutoff. We adopt an agnostic point of view with respect to the form of the interaction…

General Relativity and Quantum Cosmology · Physics 2022-02-22 Celia Escamilla-Rivera , Aldo Gamboa

In this paper, we consider three phantom dark energy models, in the context of interaction between the dark components namely cold dark matter (CDM) and dark energy (DE). The first model, known as $w_{\textrm{d}}$CDM can induce a big rip…

Cosmology and Nongalactic Astrophysics · Physics 2021-11-05 Amine Bouali , Imanol Albarran , Mariam Bouhmadi-Lopez , Ahmed Errahmani , Taoufik Ouali

In this paper we study a model of interacting dark energy - dark matter where the ratio between these components is not constant, changing from early to late times in such a way that the model can solve or alleviate the cosmic coincidence…

Cosmology and Nongalactic Astrophysics · Physics 2022-04-12 J. F. Jesus , A. A. Escobal , D. Benndorf , S. H. Pereira

We devise a fully self-consistent simulation pipeline for the first time to study the interaction between dark matter and dark energy. We perform convergence tests and show that our code is accurate on different scales. Using the parameters…

Cosmology and Nongalactic Astrophysics · Physics 2018-12-03 Jiajun Zhang , Rui An , Shihong Liao , Wentao Luo , Zhaozhou Li , Bin Wang

We consider a cosmology in which dark matter and a quintessence scalar field responsible for the acceleration of the Universe are allowed to interact. Allowing for both conformal and disformal couplings, we perform a global analysis of the…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-22 Carsten van de Bruck , Jurgen Mifsud , Jack Morrice

In the present work, we study a cosmological model composed of a viscous dark matter interacting with decaying vacuum energy in a spatially flat Universe. In the first part, we find the analytical solution of different cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2024-05-27 Vinita Khatri , C. P. Singh , Milan Srivastava

In this study, we explore the impact of the interacting parameter on dark matter in a model resulting from a parametrization of dark energy density. To ensure a model-independent approach, we treat \( r_d \) as a free parameter, avoiding…

General Relativity and Quantum Cosmology · Physics 2025-03-11 Ritika Nagpal , S. K. J. Pacif , Farruh Atamurotov , Rasmikanta Pati

In this study, we employ a two-step method to analyze models of holographic dark energy (HDE) and interacting holographic dark energy (IHDE), incorporating three distinct dark energy (DE)-dark matter (DM) interaction terms. First, using the…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-21 N. Nazari Pooya

Three general models of dynamical interacting dark energy (D-class) are investigated in the context of Brans-Dicke cosmology. All cosmological quantities such as equation of state parameters, deceleration parameters, Hubble function, and…

General Physics · Physics 2019-12-10 A. Khodam-Mohammadi , E. Karimkhani

The present work is a second in the series of investigation of the background dynamics in brane cosmology when dark energy is coupled to dark matter by a suitable interaction. Here, dark matter is chosen in the form of perfect fluid with…

General Physics · Physics 2019-06-21 Sujay Kr. Biswas , Subenoy Chakraborty