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Related papers: Dymnikova Black Hole Surrounded by Quintessence

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The Dymnikova black hole represents a regular spacetime solution interpolating between a de Sitter core and an asymptotically Schwarzschild geometry. In this work, we investigate a generalized Dymnikova black hole surrounded by perfect…

General Relativity and Quantum Cosmology · Physics 2026-02-27 Faizuddin Ahmed , Sardor Murodov , Bekzod Rahmatov , Abdelmalek Bouzenada

The Frolov black hole (BH) is a charged extension of the Hayward BH, having regularity at the central point $r = 0$ and an asymptotically Schwarzschild form for large values of $r$. Such a BH is parameterized by a length scale parameter, \(…

General Relativity and Quantum Cosmology · Physics 2025-10-01 Mrinnoy M. Gohain , Kalyan Bhuyan , Rajnandini Borgohain , Tonmoyee Gogoi , Kakoli Bhuyan , Prabwal Phukon

In this study, we investigate the thermodynamic properties and quasinormal modes of Dymnikova black holes within the context of higher dimensions in Einstein's general theory of relativity. We calculate the thermodynamic parameters,…

General Relativity and Quantum Cosmology · Physics 2024-11-12 M. H. Macêdo , J. Furtado , G. Alencar , R. R. Landim

In this work, we investigate the thermodynamic properties and quasinormal modes of a regular Dymnikova-Letelier black hole. Starting from the Einstein field equations sourced by an effective anisotropic fluid, we analyze the resulting…

General Relativity and Quantum Cosmology · Physics 2026-05-27 L. C. N. Santos , L. G. Barbosa

{In (Sci. Rep. \textbf{12}, 8516 (2022)), Campos et al studied} the quasinormal modes and shadows of noncommutative Schwarzschild black holes. Since we know that the quintessence matter surrounding black holes has { significant effects} on…

General Relativity and Quantum Cosmology · Physics 2024-04-11 B. Hamil , B. C. Lütfüoğlu

We study axial gravitational perturbations of the Dymnikova regular black hole, an asymptotically flat spacetime in which the Schwarzschild singularity is replaced by a de Sitter core. Using the WKB method with Pad\'e approximants, we…

General Relativity and Quantum Cosmology · Physics 2026-03-31 Alexey Dubinsky

Black hole thermodynamic stability can be determined by studying the nature of heat capacity of the system. For Schwarzschild black hole the heat capacity is negative, but in the quintessence field this system shows a second order phase…

General Relativity and Quantum Cosmology · Physics 2014-04-04 R. Tharanath , Nijo Varghese , V C Kuriakose

In this paper, we study the polymer black hole solution surrounded by a quintessence field. The influence of quintessence on the polymer black hole is investigated through its thermodynamic properties, such as the Hawking temperature,…

General Relativity and Quantum Cosmology · Physics 2025-07-11 M. C. Araújo , J. G. Lima , C. R. Muniz , J. Furtado

We investigate gravitational quasinormal modes of the Dymnikova black hole, a regular spacetime in which the central singularity is replaced by a de Sitter core. This geometry, originally proposed as a phenomenological model, also arises…

General Relativity and Quantum Cosmology · Physics 2026-01-27 Bekir Can Lütfüoğlu , Erdinç Ulaş Saka , Abubakir Shermatov , Inomjon Ibragimov , Javlon Rayimbaev , Sokhibjan Muminov

In this work, we have examined the scalar quasinormal modes, greybody factors, weak gravitational lensing, and the chaos bound of a Frolov black hole surrounded by a quintessence field. We studied the quasinormal frequencies and deduced…

General Relativity and Quantum Cosmology · Physics 2025-02-18 Mrinnoy M. Gohain , Kalyan Bhuyan , Hari Prasad Saikia

From an astrophysical perspective, the composition of black holes (BHs), dark matter (DM), and dark energy can be an intriguing physical system. In this study, we consider Schwarzschild BHs embedded in a Dehnen-type DM halo exhibiting a…

General Relativity and Quantum Cosmology · Physics 2025-01-28 Ahmad Al-Badawi , Sanjar Shaymatov

Black holes are among the most compelling predictions of general relativity (GR) and are now strongly supported by observations from gravitational-wave detectors and the Event Horizon Telescope (EHT). While standard black hole solutions…

General Relativity and Quantum Cosmology · Physics 2026-01-13 A. Errehymy , Y. Khedif , M. Daoud , Y. Myrzakulov , O. Donmez , B. Turimov

Current observations show that a significant fraction of the Universe is composed of dark energy and dark matter. In this paper, we investigate the simultaneous effects of these dark sectors on the Euler-Heisenberg black hole, using the…

General Relativity and Quantum Cosmology · Physics 2025-04-01 B. Hamil , B. C. Lütfüoğlu

In this paper, we aim to explore the impact of the Planck scale corrections and the Holographic quintessence on the shadow behavior of non-rotating black holes. To do this, we consider the quantum-corrected Schwarzschild black hole…

High Energy Physics - Theory · Physics 2023-07-06 Sara Saghafi , Kourosh Nozari

In this work, we study a special form of Horndeski solutions, viz. quartic "square-root" Horndeski black hole immersed in a perfect-fluid dark-matter halo, by examining its thermodynamics, null geodesic shape, optical shadow, and…

General Relativity and Quantum Cosmology · Physics 2025-06-23 Mrinnoy M. Gohain , Kalyan Bhuyan

In this article, we study the particle dynamics around a static and spherically symmetric Bardeen-Kiselev black hole (BK BH) which is a solution of the Einstein-non-linear Maxwell field equations along with a quintessential field. We…

General Relativity and Quantum Cosmology · Physics 2022-02-24 Javlon Rayimbaev , Bushra Majeed , Mubasher Jamil , Kimet Jusufi , Anzhong Wang

In this manuscript, we study the quantum-corrected Schwarzschild AdS black hole surrounded by quintessence matter in two folds: its thermal quantities and shadows. For this purpose, first, we present a detailed analysis of the influences of…

General Relativity and Quantum Cosmology · Physics 2025-08-12 B. Hamil , B. C. Lütfüoğlu , L. Dahbi

The purpose of this study is to investigate the quasinormal modes (QNMs), greybody factors (GFs) and shadows in a plasma of a black hole (BH) surrounded by an exotic fluid of quintessence type in a scalar-vector-tensor modified gravity. The…

General Relativity and Quantum Cosmology · Physics 2024-05-21 Ahmad Al-Badawi

In this paper, we present an exact solution for a spherically symmetric Schwarzschild black hole surrounded by perfect fluid dark matter (PFDM) in the presence of a quintessence field. We investigate the impact of dark matter on the black…

General Relativity and Quantum Cosmology · Physics 2025-03-31 B. Hamil , B. C. Lütfüoğlu

In this manuscript, we consider a deformation on the Heisenberg algebra and investigate the effects on the thermodynamics of the Schwarzschild black hole that is surrounded by quintessence matter. To this end, we obtain the temperature,…

General Relativity and Quantum Cosmology · Physics 2021-10-05 B. C. Lütfüoğlu , B. Hamil , L. Dahbi
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