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相关论文: Agegraphic Dark Energy Model in Non-Flat Universe:…

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We give a brief review of interacting NADE model in non-flat universe. we study the effect of spatial curvature $\Omega_{k}$, interaction coefficient $\alpha $ and the main parameter of NADE, $n$, On EoS parameter $w_{d}$ and deceleration…

广义相对论与量子宇宙学 · 物理学 2011-02-03 A. Khodam-Mohammadi , M. Malekjani

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…

宇宙学与河外天体物理 · 物理学 2016-05-04 Y. D. Xu

In this paper, we study the holographic dark energy model in non-flat universe from the statefinder viewpoint. We plot the evolutionary trajectories of the holographic dark energy model for different values of the parameter $c$ as well as…

广义相对论与量子宇宙学 · 物理学 2010-10-27 M. R. Setare , Jingfei Zhang , Xin Zhang

The statefinder diagnosic is a useful method for distinguishing different dark energy models. In this paper, we investigate the new agegraphic dark energy model with interaction between dark energy and matter component by using statefinder…

宇宙学与河外天体物理 · 物理学 2014-11-20 Li Zhang , Jinglei Cui , Jingfei Zhang , Xin Zhang

The paper explores the interacting Tsallis holographic dark energy (THDE) model in a non-flat universe following an infrared cutoff as the apparent horizon. The equation of state (EoS) and the deceleration parameter of THDE model are…

综合物理 · 物理学 2021-08-02 Umesh Kumar Sharma , Vipin Chandra Dubey , A. Pradhan

A so-called "agegraphic dark energy" was recently proposed to explain the dark energy-dominated universe. In this Letter, we generalize the agegraphic dark energy models to the universe with spatial curvature in the presence of interaction…

高能物理 - 理论 · 物理学 2009-10-16 Ahmad Sheykhi

A new dark energy model, named as ``agegraphic dark energy'', has been proposed by one of us (R. G. Cai) in arXiv:0707.4049, based on the K\'{a}rolyh\'{a}zy uncertainty relation, which arises from the quantum mechanics together with general…

广义相对论与量子宇宙学 · 物理学 2008-11-26 Hao Wei , Rong-Gen Cai

We explore a spatially homogeneous and isotropic Friedmann-Robertson-Walker (FRW) universe which is filled with agegraphic dark energy (ADE) with mutual interaction with pressureless dark matter in the background of Brans-Dicke (BD) theory.…

广义相对论与量子宇宙学 · 物理学 2020-01-08 M. Abdollahi Zadeh , A. Sheykhi

In this paper, we investigate the holographic dark energy model with interaction between dark energy and dark matter, from the statefinder viewpoint. We plot the trajectories of the interacting holographic dark energy model for different…

天体物理学 · 物理学 2009-06-23 Jingfei Zhang , Xin Zhang , Hongya Liu

A new model of dark energy namely "ghost dark energy model" has recently been suggested to interpret the positive acceleration of cosmic expansion. The energy density of ghost dark energy is proportional to the hubble parameter. In this…

广义相对论与量子宇宙学 · 物理学 2015-06-04 M. Malekjani , A. Khodam-Mohammadi

In this work, we have considered the recently proposed new Tsallis Agegraphic Dark Energy model (NTADE) (Mod. Phys. Lett. A 34, 1950086, 2019) within the framework of a flat Friedmann-Robertson-Walker(FRW) Universe by taking various values…

广义相对论与量子宇宙学 · 物理学 2021-05-18 Umesh Kumar Sharma , Shikha Srivastava

We study the evolution of the dark energy parameter within the scope of a spatially non-flat and isotropic Friedmann-Robertson-Walker (FRW) model filled with barotropic fluid and bulk viscous stresses. We have obtained cosmological…

宇宙学与河外天体物理 · 物理学 2015-06-11 Hassan Amirhashchi , Anirudh Pradhan , Hishamuddin Zainuddin

Agegraphic dark energy(ADE) and New-ADE models have been introduced as two candidates for dark energy to explain the accelerated expansion phase of the Universe. In spite of a few suitable features of these models some studies have shown…

综合物理 · 物理学 2017-12-20 A. Aghamohammadi , Kh. Saaidi , A. Mohammadi , H. Sheikhahmadi , T. Golanbari , S. W. Rabiei

In this study, we explore the reconstruction of a new agegraphic dark energy model in a flat Friedmann-Robertson-Walker spacetime by $f(Q)$ gravity framework, where $Q$ represents non-metricity. We assume that the scale factor follows a…

广义相对论与量子宇宙学 · 物理学 2025-11-10 M. Sharif , Madiha Ajmal

Exploring the accelerated expansion of the universe, we investigate the generalized ghost dark energy (GGDE) model from the statefinder diagnosis analysis in a flat FRW universe. First we calculate the cosmological evolution and statefinder…

广义相对论与量子宇宙学 · 物理学 2015-06-12 Mohammad Malekjani

Here we consider the entropy-corrected version of the new agegraphic dark energy model in the non-flat FRW universe. We derive the exact differential equation that determines the evolution of the entropy-corrected new agegraphic dark energy…

综合物理 · 物理学 2014-11-20 K. Karami , A. Sorouri

The interacting polytropic gas dark energy model is investigated from the viewpoint of statefinder diagnostic tool and $w-w^{\prime}$ analysis. The dependency of the statefinder parameters on the parameter of the model as well as the…

广义相对论与量子宇宙学 · 物理学 2015-06-03 M. Malekjani , A. Khodam-Mohammadi

In this manuscript, we examine the cosmological significance of the new agegraphic dark energy model by investigating different cosmological parameters such as the equation of state parameter, $\omega_{D}-\omega^{\prime}_{D}$ and the $r-s$…

广义相对论与量子宇宙学 · 物理学 2025-01-03 Madiha Ajmal , M. Sharif

In this paper, the holographic dark energy model with new infrared cut-off proposed by Granda and Oliveros has been investigated in spatially non flat universe. The dependency of the evolution of equation of state, deceleration parameter…

广义相对论与量子宇宙学 · 物理学 2015-05-20 M. Malekjani , A. Khodam-Mohammadi , N. Nazari-pooya

In this work we study a non-flat Friedmann-Robertson-Walker universe filled with a pressure-less dark matter (DM) and Barrow holographic dark energy (BHDE) whose IR cutoff is the apparent horizon. Among various DE models, (BHDE) model shows…

广义相对论与量子宇宙学 · 物理学 2021-08-02 Archana Dixit , Vinod Kumar Bharadwaj , Anirudh Pradhan
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