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Holographic dark energy theories present a fascinating interface to probe late-time cosmology, as guided by contemporary ideas about quantum gravity. In this work, we present a new holographic dark energy scenario designated Fractional…

General Relativity and Quantum Cosmology · Physics 2024-12-03 Oem Trivedi , Ayush Bidlan , Paulo Moniz

In its second data release (DR2), the Dark Energy Spectroscopic Instrument (DESI) publicly released measurements of Baryon Acoustic Oscillations (BAO) from over 13.1 million galaxies and 1.6 million quasars, covering the redshift range…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-13 Emanuelly Silva , Miguel A. Sabogal , Mateus Scherer , Rafael C. Nunes , Eleonora Di Valentino , Suresh Kumar

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

A pressureless dark matter component fits well with several cosmological observations. However, there are indications that cold dark matter may encounter challenges in explaining observations at small scales, particularly at galactic…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-17 Weiqiang Yang , Supriya Pan , Eleonora Di Valentino , Olga Mena , David F. Mota , Subenoy Chakraborty

Models proposing a non-gravitational interaction between dark energy (DE) and dark matter (CDM) have been extensively studied as alternatives to the standard cosmological model. A common approach to describing the DE-CDM coupling assumes it…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-22 Jaelsson S. Lima , Rodrigo von Marttens , Luciano Casarini

We study cosmological application of interacting holographic energy density in the framework of Brans-Dicke cosmology. We obtain the equation of state and the deceleration parameter of the holographic dark energy in a non-flat universe. As…

High Energy Physics - Theory · Physics 2009-11-05 Ahmad Sheykhi

We present a comprehensive reassessment of the state of Interacting Dark Energy (IDE) cosmology, namely models featuring a non-gravitational interaction between Dark Matter (DM) and Dark Energy (DE). To achieve high generality, we extend…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-13 William Giarè , Yuejia Zhai , Supriya Pan , Eleonora Di Valentino , Rafael C. Nunes , Carsten van de Bruck

In this paper we consider the holographic model of interacting dark energy in non-flat universe. With the choice of $c\leq 0.84$, the interacting holographic dark energy can be described by a phantom scalar field. Then we show this…

High Energy Physics - Theory · Physics 2008-11-26 M R Setare

We examined the interacting holographic dark energy model in a universe with spatial curvature. Using the near-flatness condition and requiring that the universe is experiencing an accelerated expansion, we have constrained the parameter…

High Energy Physics - Theory · Physics 2009-11-11 Bin Wang , Chi-Yong Lin , Elcio Abdalla

This work focuses on two linear interaction models between dark matter and dark energy, which are proposed as key factors in explaining cosmic history, specifically the latetime accelerating expansion of the universe. Both models are…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-13 Robert Rugg , Shambel Sahlu , Amare Abebe

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

The recent preference for a dynamical dark energy (DE) from the Dark Energy Spectroscopic Instrument seems to call for interactions between DE and dark matter (DM), either from direct DE-DM interaction or indirect interaction induced by…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-28 Zhen-Hong Lyu , Rong-Gen Cai , Shao-Jiang Wang , Xiang-Xi Zeng

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

The paper deals with a dynamical system analysis of the cosmological evolution of an holographic dark energy (HDE) model interacting with dark matter (DM) which is chosen in the form of dust. The infrared cut-off of the holographic model is…

General Relativity and Quantum Cosmology · Physics 2015-11-26 Nilanjana Mahata , Subenoy Chakraborty

In this paper, we make a deep analysis for the five typical interacting holographic dark energy models with the interaction terms $Q=3\beta H_{0}\rho_{\rm{de}}$, $Q=3\beta H_{0}\rho_{\rm{c}}$, $Q=3\beta H_{0}(\rho_{\rm{de}}+\rho_{\rm c})$,…

Cosmology and Nongalactic Astrophysics · Physics 2017-12-29 Hai-Li Li , Jing-Fei Zhang , Lu Feng , Xin Zhang

We study the anisotropic and homogeneous Bianchi type-V Universe with holographic dark energy (HDE) and interacting dark matter (DM). The solution for the field equations have been obtained for a certain form of the deceleration parameter.…

General Relativity and Quantum Cosmology · Physics 2025-07-29 Gunjan Varshney , Anirudh Pradhan , Nasr Ahmed , Vansh Mittal

In this study, cosmological models are considered, where dark matter and dark energy are coupled and may exchange energy through non-gravitational interactions with one other. These interacting dark energy (IDE) models have previously been…

General Relativity and Quantum Cosmology · Physics 2024-01-23 Marcel A. van der Westhuizen , Amare Abebe

Interacting dark energy models may play a crucial role in explaining several important observational issues in modern cosmology and also may provide a solution to current cosmological tensions. Since the phenomenology of the dark sector…

Cosmology and Nongalactic Astrophysics · Physics 2023-12-06 Weiqiang Yang , Supriya Pan , Olga Mena , Eleonora Di Valentino

We investigate the new agegraphic dark energy (NADE) model with power-law corrected entropy in the framework of Ho\v{r}ava-Lifshitz cosmology. For a non-flat universe containing the interacting power-law entropy-corrected NADE (PLECNADE)…

General Physics · Physics 2012-05-14 K. Karami , A. Sheykhi , Mubasher Jamil , R. Myrzakulov , S. Ghaffari , A. Abdolmaleki

We study the entropy-corrected version of the holographic dark energy (HDE) model in the framework of modified FRW cosmology. We consider a non-flat universe filled with an interacting viscous entropy-corrected HDE (ECHDE) with dark matter.…

General Relativity and Quantum Cosmology · Physics 2012-01-30 F. Adabi , K. Karami , F. Felegary , Z. Azarmi
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