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相关论文: New Agegraphic Dark Energy Driven Reconstruction o…

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In order to explain the late-time acceleration of the Universe, we present a reconstructed version of the $f(Q)$ gravity theory in this work, which is inspired by the integrating the fractional holographic dark energy with the Hubble…

广义相对论与量子宇宙学 · 物理学 2025-12-04 Rajdeep Mazumdar , Kalyan Malakar , Kalyan Bhuyan

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

We present the data-driven reconstruction of gravitational theories and Dark Energy models on cosmological scales. We showcase the power of present cosmological probes at constraining these models and quantify the knowledge of their…

宇宙学与河外天体物理 · 物理学 2020-04-22 Marco Raveri

This research investigates the impact of modified gravity on cosmic scales, focusing on $f(Q)$ cosmology. By applying energy conditions, the study reconstructs various $f(Q)$ models, considering an accelerating Universe, quintessence, and a…

广义相对论与量子宇宙学 · 物理学 2025-04-14 Irfan Mahmood , Hira Sohail , Allah Ditta , S. H. Shekh , Anil Kumar Yadav

In this research, we have reconstructed the extended $f(\mathcal{P})$ cubic gravity and symmetric $f(\mathcal{Q})$ teleparallel gravity from the $(m,n)$-type Barrow Holographic Dark Energy (BHDE) model. We have derived the unknown functions…

广义相对论与量子宇宙学 · 物理学 2025-06-26 Tamal Mukhopadhyay , Banadipa Chakraborty , Anamika Kotal , Ujjal Debnath

We present a comprehensive investigation exploring the theoretical framework of Einstein-Aether gravity theory when combined with two modified cosmological paradigms: the Barrow Agegraphic Dark Energy (BADE) and its newer variant, the New…

广义相对论与量子宇宙学 · 物理学 2025-06-13 Banadipa Chakraborty , Tamal Mukhopadhyay , Anamika Kotal , Ujjal Debnath

This study effectively reconstructs a cosmological model utilizing covariant $f(Q)$ gravity within Connection-III and FLRW spacetime. The dynamic behavior of the reconstructed model is thoroughly analyzed using the Hubble parameter $H(z)$…

广义相对论与量子宇宙学 · 物理学 2025-01-15 S. A. Narawade , Santosh V. Lohakare , B. Mishra

The cosmological reconstruction of modified $F(R)$ and $F(\mathcal{G})$ gravities with agegraphic dark energy (ADE) model in a spatially flat universe without matter field is investigated by using e-folding "$N$" as a forward way. After…

高能物理 - 理论 · 物理学 2011-01-13 A. Khodam-Mohammadi , P. majari , M. Malekjani

The fundamental nature and origin of dark energy are one of the premier mysteries of theoretical physics. In General Relativity Theory, the cosmological constant $\Lambda$ is the simplest explanation for dark energy. On the other hand, the…

广义相对论与量子宇宙学 · 物理学 2022-05-27 Raja Solanki , Avik De , Sanjay Mandal , P. K. Sahoo

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

Despite the significant accomplishments of general relativity, numerous unresolved issues persist in our understanding of the cosmos. One of the most perplexing challenges is the ongoing accelerated expansion of the Universe, which…

宇宙学与河外天体物理 · 物理学 2023-11-22 M. Koussour , N. Myrzakulov , Alnadhief H. A. Alfedeel , Amare Abebe

In modern cosmology, the curiosity of ultimately understanding the nature of the dark energy controlling the recent acceleration of the Universe motivates us to explore its properties by using some novel approaches. In this work, to explore…

广义相对论与量子宇宙学 · 物理学 2023-12-19 Sanjay Mandal , Sneha Pradhan , P. K. Sahoo , Tiberiu Harko

This study offers a comprehensive reconstruction of $f(T)$ gravity model with three distinct non-linear as well as novel forms employing a hybrid scale factor to depict the expansion history of the universe starting from early decelerated…

广义相对论与量子宇宙学 · 物理学 2026-02-17 Suraj Kumar Behera , Pratik P. Ray

In this paper, the cosmological model of the Universe has been presented in $f(Q)$ gravity and the parameters are constrained from the cosmological data sets. At the beginning, we have employed a well motivated form of $f(Q) = \alpha +…

广义相对论与量子宇宙学 · 物理学 2023-06-01 S. A. Narawade , B. Mishra

Inspired by an exponential $f(R)$ gravity model studied in the literature, in this work we introduce a new and viable $f(Q)$ gravity model, which can be represented as a perturbation of $\Lambda$CDM. Typically, within the realm of $f(Q)$…

宇宙学与河外天体物理 · 物理学 2024-01-31 A. Oliveros , Mario A. Acero

In the current research, we have reported the Tsallis Holographic Dark Energy (THDE) (\textit{JCAP}, 2018(12), p.012.) model reconstructed within the framework of $f(Q, C)$ gravity (\textit{JCAP}, 2024(03), p.050.), combining entropy-based…

广义相对论与量子宇宙学 · 物理学 2026-05-19 Sanjeeda Sultana , Surajit Chattopadhyay

This paper explores a cosmological reconstruction scheme in the background of f(Q) gravity theory from a Holographic perspective. The basic motivation for this work is that the reconstruction is performed from a holographic origin, which…

广义相对论与量子宇宙学 · 物理学 2025-04-28 Pameli Saha , Prabir Rudra

In this paper, we use genetic algorithms, a specific machine learning technique, to achieve a model-independent reconstruction of $f(T)$ gravity. By using $H(z)$ data derived from cosmic chronometers and radial Baryon Acoustic Oscillation…

宇宙学与河外天体物理 · 物理学 2025-06-09 Redouane El Ouardi , Amine Bouali , Imad El Bojaddaini , Ahmed Errahmani , Taoufik Ouali

There are so many ideas that potentially explain the dark energy phenomenon, current research is focusing on a more in-depth analysis of the potential effects of modified gravity on both local and cosmic scales. In this paper we have…

广义相对论与量子宇宙学 · 物理学 2025-11-24 S. H. Shekh , Hira Sohail , Irfan Mahmood , Allah Ditta , Anil Kumar Yadav

We use a combination of observational data in order to reconstruct the free function of f(T) gravity in a model-independent manner. Starting from the data-driven determined dark-energy equation-of-state parameter we are able to reconstruct…

宇宙学与河外天体物理 · 物理学 2021-04-20 Xin Ren , Thomas Hong Tsun Wong , Yi-Fu Cai , Emmanuel N. Saridakis
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