中文
相关论文

相关论文: Influences of modified Chaplygin dark fluid around…

200 篇论文

In this paper, we construct a new charged AdS black hole with modified cosmic Chaplygin gas (MCCG). In comparison to the previous model (modified Chaplygin AdS black hole) existed in the literature, we now have two new parameters: the…

广义相对论与量子宇宙学 · 物理学 2022-06-17 Ujjal Debnath , Behnam Pourhassan , Izzet Sakalli

By considering the concept of a unified single fluid model, referred to as the modified Chaplygin gas (MCG), which amalgamates dark energy and dark matter. In this study, we explore the thermodynamic characteristics of charged anti-de…

广义相对论与量子宇宙学 · 物理学 2024-03-13 Meng-Yao Zhang , Hao Chen , Hassan Hassanabadi , Zheng-Wen Long , Hui Yang

By considering the concept of the modified Chaplygin gas (MCG) as a single fluid model unifying dark energy and dark matter, we construct a static, spherically charged black hole (BH) solution in the framework of General Relativity. The…

广义相对论与量子宇宙学 · 物理学 2025-03-25 Y. Sekhmani , J. Rayimbaev , G. G. Luciano , R. Myrzakulov , D. J. Gogoi

We assume that the negative cosmological constant as a thermodynamical pressure and the asymptotically anti-de Sitter (AdS) black hole thermodynamics with modified Chaplygin gas. We have written the mass of the black hole, volume, entropy…

广义相对论与量子宇宙学 · 物理学 2019-03-12 Ujjal Debnath

We study blackhole in the Modified Generalized Chaplygin Gas (MGCG) model, a modified gravity framework proposed to unify dark matter and dark energy. The resulting spacetime is asymptotically non-flat and feature two distinct horizons,…

广义相对论与量子宇宙学 · 物理学 2026-03-25 Sunil Singh Bohra

Implementing the concept of Dark Fluid with a Chaplygin-like equation of state within General Relativity, we construct a new higher-dimensional, static, and spherically symmetric anti-de Sitter (AdS) black hole solution. Energy conditions…

广义相对论与量子宇宙学 · 物理学 2025-03-25 Y. Sekhmani , G. G. Luciano , J. Rayimbaev , M. K. Jasim , A. Al-Badawi , S. K. Maurya

We study Modified Chaplygin Gas (MCG) as a candidate for dark energy and predict the values of parameters of the gas for a physically viable cosmological model. The equation of state of MCG ($p=B \rho - \frac {A}{\rho^\alpha} $) involves…

宇宙学与河外天体物理 · 物理学 2013-02-27 P. Thakur , S. Ghose , B. C. Paul

In this work, gravitational collapse of a spherical cloud, consists of both dark matter and dark energy in the form of modified Chaplygin gas is studied. It is found that dark energy alone in the form of modified Chaplygin gas forms black…

广义相对论与量子宇宙学 · 物理学 2008-11-26 Ujjal Debnath , Subenoy Chakraborty

In this work, the microstructure of charged AdS black holes under minimal length effects is investigated. We study the thermodynamics of black holes in the extended phase space, where the cosmological constant is regarded as the…

广义相对论与量子宇宙学 · 物理学 2022-12-14 Ningchen Bai , Aoyun He , Jun Tao

In this paper, we introduce a metric ansatz designed to describe spherically symmetric quantum-corrected black hole (BH) space-time within an AdS space background, incorporating both an ordinary and a phantom global monopole. Our study…

广义相对论与量子宇宙学 · 物理学 2025-03-20 B. Hamil , B. C. Lütfüoğlu , F. Ahmed , Z. Yousaf

In this work, we investigate in detail the thermodynamic properties of a spherically symmetric ModMax-AdS black hole sourced by a global monopole within the Kalb-Ramond gravity. We derive the key thermodynamic quantities, including the…

广义相对论与量子宇宙学 · 物理学 2026-02-18 Faizuddin Ahmed , Ahmad Al-Badawi , Edilberto O. Silva

We present a unified investigation of black hole shadows, quasinormal modes (QNMs), and greybody factors (GBFs) for a static, spherically symmetric black hole within a composite environment of a modified Chaplygin-like dark fluid (MCDF) and…

广义相对论与量子宇宙学 · 物理学 2026-01-01 Hao-Peng Yan , Zeng-Yi Zhang , Xiao-Jun Yue , Xiang-Qian Li

In this study, we focus on a black hole immersed in a cosmological Chaplygin-like dark fluid (CDF), characterized by the equation of state $p=-B/\rho$ and an additional parameter $q$ influencing the energy density of the fluid. We…

广义相对论与量子宇宙学 · 物理学 2024-05-14 Xiang-Qian Li , Hao-Peng Yan , Xiao-Jun Yue , Shi-Wei Zhou , Qiang Xu

In this paper, the thermodynamic property of charged AdS black holes is studied in rainbow gravity. By the Heisenberg Uncertainty Principle and the modified dispersion relation, we obtain deformed temperature. Moreover, in rainbow gravity…

广义相对论与量子宇宙学 · 物理学 2019-01-04 Ping Li , Miao He , Jia-Cheng Ding , Xian-Ru Hu , Jian-Bo Deng

We investigate the heat properties of charged AdS black holes in the Gauss-Bonnet gravity coupled with nonlinear electrodynamics. We consider the thermodynamics of black holes from the perspective of heat capacity and show that the…

广义相对论与量子宇宙学 · 物理学 2023-04-11 Yang Guo , Yan-Gang Miao

In this paper, we study thermodynamics, thermal fluctuations, phase transitions and the charged anti-de Sitter black hole surrounded by perfect fluid dark matter. Large black holes are shown to be stable when subject to thermal…

广义相对论与量子宇宙学 · 物理学 2023-05-31 G. Abbas , R. H. Ali

We present a scalar-field formulation of the generalized Chaplygin gas (GCG) and modified Chaplygin gas (MCG) models, in which the cosmic fluid dynamics are reproduced by canonical Lagrangians with analytically derived energy density…

宇宙学与河外天体物理 · 物理学 2025-09-23 Yi-Syuan Wu , Chuan-Jui Li , W. F. Kao

A modified Chaplygin gas model (MCG), $\rho_{MCG}/\rho_{MCG0}=[B_{s}+(1-B_{s})a^{-3(1+B)(1+\alpha)}]^{1/(1+\alpha)}$, as a unified dark matter model and dark energy model is constrained by using current available cosmic observational data…

宇宙学与河外天体物理 · 物理学 2012-04-26 Lixin Xu , Yuting Wang , Hyerim Noh

The modified Chaplygin gas (MCG) is a strong candidate for the unified model of dark matter and dark energy. The equation of state of this modified model is valid from the radiation era to the $\Lambda$CDM model. In early epoch (when $\rho$…

广义相对论与量子宇宙学 · 物理学 2009-05-12 Subenoy Chakraborty , Tanwi Bandyopadhyay

In the present work we study the geodesic motion and accretion process of a test particle near an Anti-de Sitter (ADS) BH surrounded by a dark fluid with a Chaplygin-like equation. Within the defined paradigm, we investigate on the…

广义相对论与量子宇宙学 · 物理学 2023-11-27 G. Mustafa , S. K. Maurya , A. Ditta , Saibal Ray , Farruh Atamurotov
‹ 上一页 1 2 3 10 下一页 ›