English
Related papers

Related papers: Inflation driven by Barrow Holographic dark energy

200 papers

In the present paper, we use the holographic approach to describe the early-time acceleration and the late-time acceleration eras of our Universe in a unified manner. Such ``holographic unification'' is found to have a correspondence with…

General Relativity and Quantum Cosmology · Physics 2020-08-05 Shinichi Nojiri , S. D. Odintsov , V. K. Oikonomou , Tanmoy Paul

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…

Cosmology and Nongalactic Astrophysics · Physics 2025-07-08 Xuwei Zhang , Xiaofeng Yang , Yunliang Ren , Shuangnan Chen , Yangjun Shi , Cheng Cheng , Xiaolong He

The application of holographic principle in very early time is studied. The consideration of the principle in the late-time evolution will be a good motivation to study its role at the time of inflation. Since the length scale is expected…

General Relativity and Quantum Cosmology · Physics 2021-04-21 Abolhassan Mohammadi , Tayeb Golanbari , Kazuharu Bamba , Iarley P. Lobo

The Holographic Space-time (HST) model of inflation has a potential explanation for dark matter as tiny primordial black holes. Motivated by a recent paper of Barrau\cite{barrau} we propose a version of this model where some of the…

High Energy Physics - Theory · Physics 2022-09-20 T. Banks , W. Fischler

We investigate the corrections of the holographic dark energy to inflation paradigm. We study the evolution of the holographic dark energy in the inflationary universe in detail, and carry out a model-independent analysis on the holographic…

Astrophysics · Physics 2009-09-29 Bin Chen , Miao Li , Yi Wang

We study the Barrow holographic dark energy (BHDE) model using the apparent horizon as the infrared (IR) cut-off and ensuring thermodynamic consistency. However, the results show that the BHDE model without any interaction does not yield…

General Relativity and Quantum Cosmology · Physics 2025-01-31 Suphakorn Chunlen , Kraiwut Dakam

Based on the R\'enyi entropy, R\'enyi holographic dark energy has been proposed to explain the current accelerated expansion of the universe. In this paper, we analyze holographic inflation and slow-roll inflation within the framework of…

General Relativity and Quantum Cosmology · Physics 2026-04-14 Qihong Huang , He Huang , Hao Chen , Qingdong Wu

We present a $f(G,T)$ gravity-based reconstruction of Barrow Holographic Dark Energy (BHDE). This approach extends the conventional HDE model by replacing the Bekenstein-Hawking entropy with Barrow entropy, which encapsulates quantum…

General Relativity and Quantum Cosmology · Physics 2025-05-29 Giuseppe Gaetano Luciano

The creation of ultra-light dark particles in the late-time FLRW spacetime provides a cosmological model in accordance with precise observational tests. The matter creation backreaction implies in this context a vacuum energy density…

Cosmology and Nongalactic Astrophysics · Physics 2012-10-11 Saulo Carneiro

Evidence has accumulated that there are supermassive black holes (SMBHs) in the centers of most galaxies, and that these were formed in the very early universe by some as yet unknown process. In particular, there is evidence [15] that at…

High Energy Physics - Theory · Physics 2024-03-05 Tom Banks , Willy Fischler

The scenario of constant-roll inflation is investigated assuming that it is caused by holographic dark energy with energy density $3M_p^2 c^2 / L^2$. The energy density with varying $c$ parameter and Hubble radius as infrared cutoff…

General Relativity and Quantum Cosmology · Physics 2022-03-15 Abolhassan Mohammadi

In this paper, an interacting holographic dark energy model with Hubble horizon as an infra-red cut-off is considered in the framework of Brans-Dicke theory. We propose a logarithmic form $\phi \propto ln(\alpha+\beta a)$ of the Brans-Dicke…

General Relativity and Quantum Cosmology · Physics 2016-09-07 C P Singh , Pankaj Kumar

I review and discuss the possible implications for inflation resulting from considering new physics in light of the Hubble tension. My study is motivated by a simple argument that the constraints on inflationary parameters, most typically…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-28 William Giarè

Recently, Barrow holographic dark energy (BHDE), based on Barrow entropy, has been proposed to describe the late acceleration of the universe. Contrary to the earlier analysis of this model in the literature, we consider the BHDE with the…

General Relativity and Quantum Cosmology · Physics 2023-02-06 Nandhida Krishnan. P , Titus K Mathew

The holographic cut-off, in the formalism of generalized holographic dark energy (HDE), is generalized to depend on $L_\mathrm{IR} = L_\mathrm{IR} \left( L_\mathrm{p}, \dot L_\mathrm{p}, \ddot L_\mathrm{p}, \cdots, L_\mathrm{f}, \dot…

General Relativity and Quantum Cosmology · Physics 2022-01-19 Shin'ichi Nojiri , Sergei D. Odintsov , Tanmoy Paul

In the present work, we have analyzed the behaviors of extension of generalized Barrow holographic dark energy(`BHDE'). A ``generalized BHDE model based on the particle and the future horizon using infrared cut-off" was proposed by Nojiri…

General Relativity and Quantum Cosmology · Physics 2023-03-21 Priyanka Garg , Vinod Kumar Bhardwaj , Anirudh Pradhan

Inspired by the Covid-$19$ virus structure, Barrow argued that quantum-gravitational effects may introduce intricate, fractal features on the black hole horizon [Phys. Lett. B {\bf808} (2020) 135643]. In this viewpoint, black hole entropy…

General Relativity and Quantum Cosmology · Physics 2021-06-09 Ahmad Sheykhi

We have analyzed the Barrow holographic dark energy (BHDE) in the framework of the flat FLRW Universe by considering the various estimations of Barrow exponent $\triangle$. Here we define BHDE, by applying the usual holographic principle at…

General Relativity and Quantum Cosmology · Physics 2021-08-02 Anirudh Pradhan , Archana Dixit , Vinod Kumar Bhardwaj

We consider the possibility of observing the onset of the late time inflation of our patch of the Universe. The Hubble size criterion and the event horizon criterion are applied to several dark energy models to discuss the problem of future…

General Relativity and Quantum Cosmology · Physics 2010-10-27 Yungui Gong , Yuan-Zhong Zhang

The holographic dark energy models provide an alternative description of the dark energy. These models are motivated by the possible application of holographic principle to the dark energy problem. We study the one parameter Li holographic…

Cosmology and Nongalactic Astrophysics · Physics 2023-04-26 Biswajit Das , Biswajit Pandey