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We investigate a spatially flat Friedmann-Robertson-Walker (FRW) cosmological model with cold dark matter coupled to a modified holographic Ricci dark energy through a general interaction term linear in the energy densities of dark matter…

General Relativity and Quantum Cosmology · Physics 2012-10-15 Luis P. Chimento , Mónica I. Forte , Martín G. Richarte

In this paper, we investigate the agegraphic dark energy (ADE) model by including the sign-changeable interaction between ADE and dark matter in non-flat universe. It is shown that the interaction induces an energy flow of which the…

Cosmology and Nongalactic Astrophysics · Physics 2016-05-04 Y. D. Xu

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 paper we study cosmological application of holographic dark energy density in the modified gravity framework. We employ the holographic model of dark energy to obtain the equation of state for the holographic energy density in…

High Energy Physics - Theory · Physics 2010-11-11 M. R. Setare

A cosmological model of dark energy interacting with dark matter and another general component of the universe is investigated. We found general constraints on these models imposing an accelerated expansion. The same is also studied in the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Norman Cruz , Samuel Lepe , Francisco Pena

We present the new agegraphic dark energy model by introducing the quantum corrections to the entropy-area relation in the setup of loop quantum gravity. Employing this new form of dark energy, we investigate the model of interacting dark…

General Relativity and Quantum Cosmology · Physics 2014-11-20 M. Umar Farooq , Muneer A. Rashid , Mubasher Jamil

The model of holographic dark energy in which dark energy interacts with dark matter is investigated in this paper. In particular, we consider the interacting holographic dark energy model in the context of a perturbed universe, which was…

Cosmology and Nongalactic Astrophysics · Physics 2018-11-01 Lu Feng , Yun-He Li , Fei Yu , Jing-Fei Zhang , Xin Zhang

We have investigated the model of dark energy interacting with dark matter by choosing inhomogeneous equations of state for dark energy and a non-linear interaction term for the underlying interaction. The equation of state have…

Astrophysics · Physics 2009-06-23 Mubasher Jamil , Muneer Ahmad Rashid

A so-called "entropy-corrected holographic dark energy" (ECHDE), was recently proposed to explain the dark energy-dominated universe with the help of quantum corrections to the entropy-area relation in the setup of loop quantum cosmology.…

General Physics · Physics 2014-11-20 Mubasher Jamil , Ahmad Sheykhi , M. Umar Farooq

In the paper, we apply the weak gravity conjecture to the holographic quintessence model of dark energy. Three different holographic dark energy models are considered: without the interaction in the non-flat universe; with interaction in…

General Relativity and Quantum Cosmology · Physics 2015-05-19 Cheng-Yi Sun

We investigate the interacting dark energy models by using the diagnostics of statefinder hierarchy and growth rate of structure. We wish to explore the deviations from $\Lambda$CDM and to differentiate possible degeneracies in the…

Cosmology and Nongalactic Astrophysics · Physics 2015-09-10 Jing-Lei Cui , Lu Yin , Ling-Feng Wang , Yun-He Li , Xin Zhang

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 employ a ghost model of interacting dark energy to obtain the equation of state \omega for ghost energy density in an FRW universe in complex quintessence theory. We reconstruct the potential and study the dynamics of the scalar field…

High Energy Physics - Theory · Physics 2022-01-04 Yang Liu

The cosmological model of dark energy interacting with cold dark matter without coupling to the baryonic matter, is studied in the background of both classical Einstein and loop quantum cosmology. We consider two types of interacting…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Song Li , Yongge Ma

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

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

In the context of thermodynamics we discuss the way inevitable emerge an interaction between dark components, and in this way, provide a mechanism to understand the limits of the LCDM model and the class of interaction models between dark…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-22 Víctor H. Cárdenas , Daniela Grandón , Samuel Lepe

We explore a cosmological model composed by a dark matter fluid interacting with a dark energy fluid. The interaction term has the non-linear lambda*(rho_m)^alpha * (rho_e)^beta form, where rho_m and rho_e are the energy densities of the…

Cosmology and Nongalactic Astrophysics · Physics 2013-06-17 Norman Cruz , Guillermo Palma , David Zambrano , Arturo Avelino

We derive and analyze a class of spherically symmetric cosmological models whose source is an interactive mixture of inhomogeneous cold dark matter (DM) and a generic homogeneous dark energy (DE) fluid. If the DE fluid corresponds to a…

Astrophysics · Physics 2009-11-10 Roberto A Sussman , Israel Quiros , Osmel Martin Gonzalez

Interactions inside the cosmological dark sector influence the cosmological dynamics. As a consequence, the future evolution of the Universe may be different from that predicted by the $\Lambda$CDM model. We review main features of several…

Cosmology and Nongalactic Astrophysics · Physics 2014-04-30 W. Zimdahl