English
Related papers

Related papers: Interacting holographic dark energy models: A gene…

200 papers

In this paper, we examine two types of interacting holographic dark energy model using Pantheon supernova data, BAO BOSS DR12, CMB Planck 2015, fgas (gas mass fraction) and SZ/Xray (Sunyaev-Zeldovich effect and X-ray emission) data from…

General Relativity and Quantum Cosmology · Physics 2020-07-14 Ehsan Sadri , Martiros Khurshudyan , Ding-fang Zeng

In a flat Friedmann-Lema\^itre-Robertson-Walker background, a scheme of dark matter-dark energy interaction is studied considering a holographic Ricci-like model for the dark energy. Without giving a priori some specific model for the…

General Relativity and Quantum Cosmology · Physics 2014-07-04 F. Arevalo , P. Cifuentes , S. Lepe , F. Peña

We consider an extension of the holographic Ricci dark energy model by introducing an interaction between dark energy and matter. In this model, the dark energy density is given by $rho_{Lambda}=-frac{1}{2}alpha M_{p}^{2}{R}$, where ${R}$…

Cosmology and Nongalactic Astrophysics · Physics 2010-04-06 Masashi Suwa , Takeshi Nihei

We use three IR cutoffs, including the future event horizon, the Hubble and Granda-Oliveros (GO) cutoffs, to construct three holographic models of dark energy. Additionally, we consider a Friedmann-Robertson-Walker (FRW) universe filled by…

General Relativity and Quantum Cosmology · Physics 2017-06-06 M. Abdollahi Zadeh , A. Sheykhi , H. Moradpour

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

In this paper, we present an analytical solution for the interacting generalized holographic dark energy model, assuming a linear interaction rate between dark energy and dark matter. We determine the equation of state parameter, the…

General Relativity and Quantum Cosmology · Physics 2024-10-15 Omar Enkhili , Farida Bargach , Dalale Mhamdi , Taoufik Ouali , Ahmed Errahmani

Following the holographic principle, which suggests that the energy density of dark energy may be proportional inversely to the area of the event horizon of the Universe, we have proposed a new energy density of dark energy through the…

General Relativity and Quantum Cosmology · Physics 2023-01-25 H. R. Fazlollahi

We study a holographic model for the dark energy considered recently in the literature which postulates an energy density $\rho \sim R$, where $R$ is the Ricci scalar curvature. We obtain a cosmological scenario that comes from considering…

High Energy Physics - Theory · Physics 2014-11-21 Samuel Lepe , Francisco Pena

We investigate a spatially flat Friedmann-Robertson-Walker universe that has an interacting dark matter, a modified holographic Ricci dark energy (MHRDE), plus a third, decoupled component that behaves as a radiation term. We consider a…

Cosmology and Nongalactic Astrophysics · Physics 2016-04-01 Luis P. Chimento , Martín G. Richarte

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

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 investigate a spatially flat Friedmann-Robertson-Walker (FRW) cosmological model with cold dark matter coupled to a dark energy which is given by the modified holographic Ricci cutoff. The interaction used is linear in both dark energy…

General Relativity and Quantum Cosmology · Physics 2012-06-07 Mónica I. Forte , Martín G. Richarte

We discuss two lagrangian interacting dark energy models in the context of the holographic principle. The potentials of the interacting fields are constructed. The models are compared with CMB distance information, baryonic acoustic…

General Relativity and Quantum Cosmology · Physics 2013-05-30 Sandro M. R. Micheletti

Holographic dark energy (HDE), which arises from a theoretical attempt to apply the holographic principle (HP) to the dark energy (DE) problem, has attracted significant attention over the past two decades. We perform a comprehensive…

Cosmology and Nongalactic Astrophysics · Physics 2025-07-18 Jun-Xian Li , Shuang Wang

The holographic principle of quantum gravity theory has been applied to the dark energy (DE) problem, and so far three holographic DE models have been proposed: the original holographic dark energy (HDE) model, the agegraphic dark energy…

Cosmology and Nongalactic Astrophysics · Physics 2009-07-24 Miao Li , Xiao-Dong Li , Shuang Wang , Xin Zhang

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 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

Based on the fractional entropy originating from fractional quantum mechanics, the fractional holographic dark energy (FHDE) model has been proposed. In this paper, we consider an interaction between the pressureless matter and FHDE and…

General Physics · Physics 2026-05-21 Qihong Huang , Hao Chen , Qihong Wu

In the present work, we study the R$\acute{e}$nyi holographic dark energy model (RHDE) in a flat FRW Universe where the infrared cut-off is taken care by the Hubble horizon and also by taking three different parametrizations of the…

General Relativity and Quantum Cosmology · Physics 2020-12-01 Umesh Kumar Sharma , Vipin Chandra Dubey

Holographic Ricci dark energy evolving through its interaction with dark matter is a natural choice for the running vacuum energy model. We have analyzed the relative significance of two versions of this model in the light of SNIa, CMB, BAO…

General Relativity and Quantum Cosmology · Physics 2020-10-21 Paxy George , Titus K Mathew