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Related papers: R\'enyi Holographic Dark Energy Models In Multidim…

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We study the R\'enyi holographic dark energy (RHDE) model by using the future and the particle horizons as the infrared (IR) cut-off. With the initial condition from the literature, most of the cosmological parameters are computed. Some of…

General Relativity and Quantum Cosmology · Physics 2021-05-25 Suphakorn Chunlen , Phongsaphat Rangdee

R\'enyi holographic dark energy (RHDE) correspondence is discussed in higher dimensional cosmology, namely Kaluza-Klein (KK) cosmology. Both interacting and non-interacting cosmological scenario are considered here. It is found that the…

General Relativity and Quantum Cosmology · Physics 2021-01-22 Arindam Saha , Souvik Ghose , Anirban Chanda , Bikash Chandra Paul

In this paper, we have examined the R$\acute{e}$nyi holographic dark energy (RHDE) model in the framework of an isotropic and spatially homogeneous flat FLRW (Friedmann- Lema$\hat i$tre-Robertson-Walker) Universe by considering different…

General Relativity and Quantum Cosmology · Physics 2020-08-05 Vipin Chandra Dubey , Ambuj Kumar Mishra , Umesh Kumar Sharma

Recent observational evidences point out towards a late time acceleration of the universe. In order to study the accelerated expansion, scientists have incorporated the existence of an exotic matter with negative pressure, termed as dark…

General Relativity and Quantum Cosmology · Physics 2025-08-13 Santanu Das , Nilanjana Mahata

Evolution of the universe with modified holographic Ricci dark energy model is considered. Dependency of the equation of state parameter and deceleration parameter on the redshift and model parameters are obtained. It is shown that the…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-13 Titus K Mathew , Jishnu Suresh , Divya Divakaran

In the present work, we study the R$\acute{e}$nyi holographic dark energy model (RHDE) in a flat FRW Universe where the infrared cut-off is taken care by the Hubble horizon and also by taking three different parametrizations of the…

General Relativity and Quantum Cosmology · Physics 2020-12-01 Umesh Kumar Sharma , Vipin Chandra Dubey

In this work, the Renyi holographic dark energy (RHDE)and its behaviour has been explored with the anisotropic and spatially homogeneous Bianchi type-I Universe in the framework of $f(G)$ gravity. We use IR cutoff as the Hubble and…

High Energy Physics - Theory · Physics 2022-11-10 Md Khurshid Alam , S. Surendra Singh , L. Anjana Devi

In this paper, we study R\'{e}nyi holographic dark energy model in the context of Chern Simons (CS) modified gravity theory. Different cosmological parameters such as energy density, deceleration parameter, equation of state, square of…

General Relativity and Quantum Cosmology · Physics 2021-10-04 Sarfraz Ali , Sarfaraz Khan , Sadia Sattar , Amare Abebe

In this work we investigate the spherical collapse model in flat FRW dark energy universes. We consider the Holographic Dark Energy (HDE) model as a dynamical dark energy scenario with a slowly time-varying equation-of-state (EoS) parameter…

General Relativity and Quantum Cosmology · Physics 2015-01-27 Tayebe Naderi , Mohammad Malekjani , Francesco Pace

In this work we explore a Holographic Dark Energy Model in a flat Friedmann-Lema\^itre-Robertson-Walker Universe, which contains baryons, radiation, cold dark matter and dark energy within the framework of General Relativity. Furthermore,…

General Relativity and Quantum Cosmology · Physics 2019-05-10 Carlos Rodriguez-Benites , Mauricio Cataldo , Antonella Cid , Carlos Ríos

Cosmological features of Barrow Holographic Dark Energy (BHDE), a recent generalization of original Holographic dark energy with a richer structure, are studied in the context of DGP brane, RS II brane-world, and the cyclic universe. It is…

General Relativity and Quantum Cosmology · Physics 2024-01-23 Anirban Chanda , Arpan Krishna Mitra , Souvik Ghose , Sagar Dey , Bikash Chandra Paul

In present research, we construct Kaniadakis holographic dark energy (KHDE) model within a non-flat Universe by considering the Friedmann-Robertson-Walker (FRW) metric with open and closed spatial geometries. We therefore investigate cosmic…

General Physics · Physics 2022-04-19 Umesh Kumar Sharma , Vipin Chandra Dubey , A. H. Ziaie , H. Moradpour

We consider a holographic dark energy model, with a varying parameter, n, which evolves slowly with time. We obtain the differential equation describing evolution of the dark energy density parameter, $\Omega_d$, for the flat and non-flat…

General Relativity and Quantum Cosmology · Physics 2015-01-28 Bushra Majeed , Mubasher Jamil , Azad A. Siddiqui

In this work, the holographic dark energy model is constructed by using the non-extensive nature of the Schwarzschild black hole via the R\'enyi entropy. Due to the non-extensivity, the black hole can be stable under the process of fixing…

General Relativity and Quantum Cosmology · Physics 2024-07-30 Ratchaphat Nakarachinda , Chakrit Pongkitivanichkul , Daris Samart , Lunchakorn Tannukij , Pitayuth Wongjun

We investigate both the interacting and non-interacting R\'{e}nyi Holographic Dark Energy (RHDE) models in DGP brane world framework. Cosmological parameters and their evolutions are probed to obtain realistic cosmological models. We note…

General Relativity and Quantum Cosmology · Physics 2023-05-10 A. Saha , A. Chanda , S. Dey , S. Ghose , B. C. Paul

Inspired by the multiverse scenario, we study a heterotic dark energy model in which there are two parts, the first being the cosmological constant and the second being the holographic dark energy, thus this model is named the $\Lambda$HDE…

Cosmology and Nongalactic Astrophysics · Physics 2015-08-12 Yazhou Hu , Miao Li , Nan Li , Zhenhui Zhang

In this paper, we have investigated the physical behavior of cosmological models in the framework of modified Teleparallel gravity. This model is established using a Renyi holographic ``dark energy model (RHDE) with a Hubble cutoff. Here we…

General Relativity and Quantum Cosmology · Physics 2023-01-11 Vinod Kumar Bhardwaj , Archana Dixit , Anirudh Pradhan , Symala Krishannair

In this work we investigate the spherical collapse model in flat FRW universe containing dark energy component. We consider the Holographic Dark Energy (HDE) model as a dynamical dark energy scenario with slowly time varying EoS parameter…

General Relativity and Quantum Cosmology · Physics 2014-05-27 Tayebe Naderi , Mohammad Malekjani

Based on Renyi entropy, we study the entropy corrected version of the holographic dark energy (HDE) model in apparent horizon of spatially flat FLRW universe. Applying the generalized entropy leads to the modified version of the Friedmann…

Cosmology and Nongalactic Astrophysics · Physics 2025-07-29 Tayeb Golanbari , Khaled Saaidi , Parvin Karimi

Focusing on the description of cosmic evolution at late times, this study examines a generalized holographic dark energy (HDE) framework constructed via a polynomial expansion in the Hubble parameter, which includes contributions…

General Relativity and Quantum Cosmology · Physics 2026-03-10 Miguel Cruz , Joaquin Housset , Samuel Lepe , Joel Saavedra , Francisco Tello-Ortiz
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