中文
相关论文

相关论文: Cosmic Evolution of Holographic Dark Energy in f(\…

200 篇论文

Here we investigate the holographic dark energy model in the framework of FRW cosmology where the Newtonian gravitational constant,$G$, is varying with cosmic time. Using the complementary astronomical data which support the time dependency…

广义相对论与量子宇宙学 · 物理学 2015-06-15 M. Malekjani , M. Honari-Jafarpour

This manuscript endeavors to construct a pilgrim dark energy framework within the $f\mathbb{(Q,T)}$ gravity theory, employing a correspondence approach aligned with a non-interacting model that incorporates pressureless matter alongside a…

广义相对论与量子宇宙学 · 物理学 2025-12-05 M. Sharif , Iqra Ibrar

In this paper, we discuss cosmological application of holographic Dark Energy (HDE) in the framework of $f(G)$ modified gravity. For this purpose, we construct $f(G)$ model with the inclusion of HDE and a well-known power law form of the…

综合物理 · 物理学 2015-06-12 Abdul Jawad , Antonio Pasqua , Surajit Chattopadhyay

The present paper reports a study on the cosmological consequences arising from reconstructing $f(T)$ gravity through new holographic-polytropic dark energy. We assume two approaches, namely a particular form of Hubble parameter $H$ and a…

广义相对论与量子宇宙学 · 物理学 2016-11-01 Surajit Chattopadhyay , Abdul Jawad , Shamaila Rani

We perform observational confrontation and cosmographic analysis of $f(T,T_G)$ gravity and cosmology. This higher-order torsional gravity is based on both the torsion scalar, as well as on the teleparallel equivalent of the Gauss--Bonnet…

广义相对论与量子宇宙学 · 物理学 2024-10-15 Harshna Balhara , J. K. Singh , Shaily , Emmanuel N. Saridakis

In this work, we consider the reconstruction scenario of new agegraphic dark energy (NADE) model and $f(G)$ theory of gravity with $G$ representing the Gauss-Bonnet invariant in the flat FRW spacetime. In this context, we assume a solution…

广义相对论与量子宇宙学 · 物理学 2014-04-30 Abdul Jawad , Surajit Chattopadhyay , Antonio Pasqua

The present paper reports a holographic reconstruction scheme for $f(T,\mathcal T)$ gravity proposed in Harko et al. $\emph{JCAP}\; 12(2014)021$ where $T$ is the torsion scalar and $\mathcal{T}$ is the trace of the energy-momentum tensor…

广义相对论与量子宇宙学 · 物理学 2015-02-23 Ines G. Salako , Abdul Jawad , Surajit Chattopadhyay

In this paper, we investigate the cosmological consequences of ghost dark energy model in modified Gauss-Bonnet gravity. We construct ghost dark energy $f(G)$ model by using correspondence scenario for both interacting and non-interacting…

广义相对论与量子宇宙学 · 物理学 2019-08-21 M. Sharif , Saadia Saba

In this work, we propose a new model that combines holographic dark energy with modified gravity $f(Q,T)$ to explore a possible explanation for the accelerated expansion of the universe. Since there are several tensions of cosmological…

宇宙学与河外天体物理 · 物理学 2025-07-08 Xuwei Zhang , Xiaofeng Yang , Yunliang Ren , Shuangnan Chen , Yangjun Shi , Cheng Cheng , Xiaolong He

Here, we peruse cosmological usage of the most promising candidates of dark energy in the framework of $f(T)$ gravity theory. We reconstruct the different $f(T)$ modifed gravity models in the spatially flat FRW universe according to…

广义相对论与量子宇宙学 · 物理学 2016-10-12 Pameli Saha , Ujjal Debnath

In this paper, we investigate the behavior of equation of state parameter and energy density for dark energy in the framework of f(T) gravity. For this purpose, we use anisotropic LRS Bianchi type I universe model. The behavior of…

广义相对论与量子宇宙学 · 物理学 2015-06-15 M. Sharif , Sehrish Azeem

This paper studies the reconstruction criterion in the framework of $f(Q,T)$ gravity using ghost dark energy model, where $Q$ represents the non-metricity and $T$ is the trace of energy-momentum tensor. In this regard, the correspondence…

广义相对论与量子宇宙学 · 物理学 2024-05-09 M. Sharif , Iqra Ibrar

We present the cosmic expansion scenario in the framework of $f(T)$ gravity by employing a dark energy equation of state (EoS) parameter. Specifically, we proceed with the power-law form of the function $f(T) = \alpha$$(-T)^{n}$, in…

广义相对论与量子宇宙学 · 物理学 2026-04-21 Khomesh R. Patle , G. P. Singh

The aim of this paper is to reconstruct and analyze the stability of some cosmological models against linear perturbations in $f(\mathcal{G},T)$ gravity ($\mathcal{G}$ and $T$ represent the Gauss-Bonnet invariant and trace of the…

广义相对论与量子宇宙学 · 物理学 2017-06-22 M. Sharif , Ayesha Ikram

In this study, we present an approach $ f(R, G) $ gravity incorporating power law in $ G $. To study the cosmic evolution of the universe given by the reconstruction of the Hubble parameter given by $ E(z) = \bigg(…

广义相对论与量子宇宙学 · 物理学 2024-09-30 Rita Rani , Shaily , G. K. Goswami , J. K. Singh

In the present analysis, we explore a new version of dark energy called Barrow holographic dark energy within the framework modified gravity called $f(Q,T)$ gravity by adopting the simple homogeneous, isotropic, and spatially flat…

广义相对论与量子宇宙学 · 物理学 2024-08-09 N. Myrzakulov , S. H. Shekh , Anirudh Pradhan , K Ghaderi

We investigate the cosmological applications of $F(T,T_G)$ gravity, which is a novel modified gravitational theory based on the torsion invariant $T$ and the teleparallel equivalent of the Gauss-Bonnet term $T_{G}$. $F(T,T_{G})$ gravity…

广义相对论与量子宇宙学 · 物理学 2014-10-29 Georgios Kofinas , Emmanuel N. Saridakis

In the present manuscript the basic Einstein--Hilbert cosmological model is extended, by adding a new functional $F(G, T_{\mu\nu}T^{\mu\nu})$ in the fundamental action, encoding specific geometrical effects due to a nontrivial coupling with…

广义相对论与量子宇宙学 · 物理学 2023-05-23 Mihai Marciu , Dana Maria Ioan

The dynamical aspect of accelerating cosmological model has been studied in this paper in the context of modified symmetric teleparallel gravity, the $f(Q)$ gravity. Initially, we have derived the dynamical parameters for two well known…

广义相对论与量子宇宙学 · 物理学 2023-07-18 S. A. Narawade , Shashank P. Singh , B. Mishra

In view of late-time cosmic acceleration, a dark energy cosmological model is revisited wherein Einstein's cosmological constant is considered as a candidate of dark energy. Exact solution of Einstein field equations (EFEs) is derived in a…

广义相对论与量子宇宙学 · 物理学 2019-11-22 S. K. J. Pacif , Md Salahuddin Khan , L. K. Paikroy , Shalini Singh
‹ 上一页 1 2 3 10 下一页 ›