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Related papers: Dymnikova Black Hole Surrounded by Quintessence

200 papers

In this work, we analyze the strong lensing phenomenon and quasinormal modes (QNMs) in the case of black holes (BHs) surrounded by fluids within the framework of $f(R,T)$ gravity, adopting a minimally coupled model of the theory. Our…

General Relativity and Quantum Cosmology · Physics 2025-09-03 Gayatri Mohan , Ronit Karmakar , Rupam Jyoti Borah , Umananda Dev Goswami

Inspired by Loop Quantum Gravity (LQG), we investigate the Reissner-Nordstr\"om (RN) black hole (BH) solution coupled with a cloud of strings in an anti-de Sitter (AdS) background, surrounded by a quintessence-like fluid. We begin by…

General Relativity and Quantum Cosmology · Physics 2025-08-15 Faizuddin Ahmed , Abdelmalek Bouzenada

This study probes spacetime solutions within Einstein-Bumblebee gravity, a modified gravitational framework incorporating spontaneous Lorentz symmetry violation through a vector field mechanism. By introducing a cosmological constant into…

General Relativity and Quantum Cosmology · Physics 2025-08-04 Reggie C. Pantig , Shubham Kala , Ali Övgün , Nikko John Leo S. Lobos

In this manuscript, we investigate the effects of a modified dispersion relation on the thermodynamics of Schwarzschild black hole surrounded by the quintessence matter. We find that the MDR-correction states the same lower bound on the…

General Relativity and Quantum Cosmology · Physics 2022-10-14 B. Hamil , B. C. Lütfüoğlu

This work investigates black holes within a modified framework of gravity that incorporates quantum-inspired corrections and a fundamental minimal length scale. By integrating Einstein-Gauss-Bonnet gravity with a specially tailored matter…

General Relativity and Quantum Cosmology · Physics 2025-09-23 A. Errehymy , Y. Khedif , M. Daoud , K. Myrzakulov , B. Turimov , T. Myrzakul

This study provides an analytic and numerical characterization of a class of regular, asymptotically flat black holes described by a deformed static spherical metric. The model is grounded in a four-dimensional non-polynomial…

General Relativity and Quantum Cosmology · Physics 2026-03-26 Zainab Malik

We consider a cosmological model based upon a non-canonical noncommutative extension of the Heisenberg-Weyl algebra to address the thermodynamical stability and the singularity problem of both the Schwarzschild and the Kantowski-Sachs black…

High Energy Physics - Theory · Physics 2011-07-08 Catarina Bastos , Orfeu Bertolami , Nuno Costa Dias , João Nuno Prata

In this work, we investigate the optical, dynamical, and radiative properties of an Euler--Heisenberg black hole immersed in a perfect fluid dark matter (PFDM) background. We analyze the photon sphere and shadow, the scalar quasinormal-mode…

General Relativity and Quantum Cosmology · Physics 2026-04-21 Edilberto O. Silva , Faizuddin Ahmed

We study the Joule-Thomson expansion and extended thermodynamics of a modified black hole characterised by the parameters $\alpha$, $\beta$, and $\sigma$. Analysis of the Hawking temperature, Joule-Thomson coefficient, inversion curves, and…

General Relativity and Quantum Cosmology · Physics 2026-05-19 Dhruba Jyoti Gogoi , Ronit Karmakar , Jyatsnasree Bora , Pohar Buragohain , Chandika Gogoi

In this paper, we investigate the quantum correction on thermodynamics of the Reissner-Nordstr\"om black hole in the presence of the quintessence matter associated with dark energy. To this end, the modified Hawking temperature, heat…

General Relativity and Quantum Cosmology · Physics 2025-08-22 Hao Chen , Bekir Can Lütfüoğlu , Hassan Hassanabadi , Zheng-Wen Long

In this paper,we discuss optical properties of the nonlinear magnetic charged black hole surrounded by quintessence with a non-zero cosmological constant $\Lambda$. Setting the state parameter $\omega=-3/2$ , we studied the horizon, the…

General Relativity and Quantum Cosmology · Physics 2021-04-26 Yuan Chen , He-Xu Zhang , Tian-Chi Ma , Jian-Bo Deng

The merger of binary black holes produces a series of decaying oscillations, during which energy is radiated in gravitational waves. The characteristic signal in the ringdown phase can be described by complex oscillation frequencies called…

General Relativity and Quantum Cosmology · Physics 2024-10-10 Yanqiang Liu , Benrong Mu , Jun Tao , Yuling Weng

In this paper, we explored novel feature of the Bocharova-Bronnikov-Melnikov-Bekenstein (BBMB) black hole by analyzing geodesic motion. We first examined its thermodynamics and showed that Hawking temperature equals to zero. We investigated…

General Relativity and Quantum Cosmology · Physics 2025-02-18 Bobur Turimov , Ozodbek Rahimov , Akbak Davlataliev , Pulat Tadjimuratov , Mukhiddin Norkobilov , Shakhzoda Rahimova

We investigate how dark energy affects atom-field interaction. To this end, we consider acceleration radiation of a freely falling atom close to a Schwarzschild black hole (BH) in the presence of dark energy characterized by a positive…

General Relativity and Quantum Cosmology · Physics 2023-05-31 Syed Masood A. S. Bukhari , Imtiyaz Ahmad Bhat , Chenni Xu , Li-Gang Wang

We present new static spherically-symmetric exact solutions of Einstein equations with the quintessential matter surrounding a black hole charged or not as well as for the case without the black hole. A condition of additivity and linearity…

General Relativity and Quantum Cosmology · Physics 2010-11-19 V. V. Kiselev

We investigate the effects of quintessence dark energy on the shadows of black hole, surrounded by various profiles of accretions. For the thin disk accretion, the images of the black hole comprises the dark region and bright region,…

General Relativity and Quantum Cosmology · Physics 2020-12-02 Xiao-Xiong Zeng , Hai-Qing Zhang

In this study, we present a novel exact solution to the gravitational field equations, known as the Ay\'on-Beato-Garc\'ia black hole solution, set against the backdrop of anti-de Sitter space and surrounded by a quintessence field. This…

General Relativity and Quantum Cosmology · Physics 2025-04-02 Ahmad Al-Badawi , Faizuddin Ahmed , İzzet Sakallı

In this paper, we derive a novel Schwarzschild-like black hole (BH) solution describing a static and asymptotically flat BH surrounded by a dark matter (DM) halo with a Dehnen-type density distribution in the surrounding environment. We…

General Relativity and Quantum Cosmology · Physics 2024-11-05 Ahmad Al-Badawi , Sanjar Shaymatov , Yassine Sekhmani

Thermodynamic stability of black holes, described by the R\'enyi formula as equilibrium compatible entropy function, is investigated. It is shown that within this approach, asymptotically flat, Schwarzschild black holes can be in stable…

General Relativity and Quantum Cosmology · Physics 2015-12-09 Viktor G. Czinner , Hideo Iguchi

In this paper, we apply the Carath\'eodory's method of geometrothermodynamics to investigate the behavior of the main thermodynamic parameters associated with a Schwarzschild black hole surrounded by quintessence. The corresponding Pfaffian…

General Relativity and Quantum Cosmology · Physics 2023-06-01 Mohsen Fathi , Martín Molina , J. R. Villanueva