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相关论文: Gravitational Lensing of Euler-Heisenberg Black Ho…

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Dark matter and dark energy dominate the behavior of our universe. The dark matter usually forms halo structures in large number of galaxies. Properties of dark matter halo can be revealed and understood from the gravitational lensing…

广义相对论与量子宇宙学 · 物理学 2024-03-12 Chen-Kai Qiao , Mi Zhou

We investigate the gravitational lensing effect around a spherically symmetric black hole, whose metric is obtained from the Einstein field equation with electric charge and perfect-fluid dark matter contributing to its energy-momentum…

广义相对论与量子宇宙学 · 物理学 2023-04-13 Xiao-Jun Gao , Xiao-kun Yan , Yihao Yin , Ya-Peng Hu

A generation method of new metric in the case of static spherically symmetric space-time is derived. Using this approach, we construct a metric which describes Euler-Heisenberg black hole surrounded by perfect fluid dark matter and…

广义相对论与量子宇宙学 · 物理学 2024-06-14 Shi-Jie Ma , Rui-Bo Wang , Jian-Bo Deng , Xian-Ru Hu

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…

广义相对论与量子宇宙学 · 物理学 2025-04-01 B. Hamil , B. C. Lütfüoğlu

In this paper, we investigate the gravitational lensing properties of magnetically charged black holes within the framework of nonlinear electrodynamics. We derive the deflection angle and examine the influence of the nonlinear…

广义相对论与量子宇宙学 · 物理学 2025-06-23 Hira Waseem , Nikko John Leo S. Lobos , Ali Övgün , Reggie C. Pantig

We consider a time-like geodesics in the background of rotating Einstein-Born-Infeld (EBI) black hole to examine the horizon and ergosphere structure. The effective potential that governs the particle's motion in the spacetime and the…

广义相对论与量子宇宙学 · 物理学 2021-08-11 Gulmina Zaman Babar , Farruh Atamurotov , Shafqat Ul Islam , Sushant G. Ghosh

Both massless light ray and objects with nonzero mass experience trajectory bending in a gravitational field. In this work the bending of trajectories of massive objects in a Schwarzschild spacetime and the corresponding gravitational…

广义相对论与量子宇宙学 · 物理学 2016-09-02 Xionghui Liu , Nan Yang , Junji Jia

We investigate gravitational lensing in the strong-field regime for a black hole in F(R) Euler Heisenberg Gravity with Rainbow gravity modifications. This black hole spacetime is characterized by the Euler Heisenberg parameter, F(R)…

星系天体物理 · 物理学 2025-07-21 Sayan Naskar , Niyaz Uddin Molla , Ujjal Debnath

We systematically examine the properties of null geodesics around an electrically charged, asymptotically flat black hole in Eddington-inspired Born-Infeld gravity, varying the electric charge of black hole and the coupling constant in the…

广义相对论与量子宇宙学 · 物理学 2015-09-30 Hajime Sotani , Umpei Miyamoto

We study the gravitational lensing scenario where the lens is a spherically symmetric charged black hole (BH) surrounded by quintessence matter. The null geodesic equations in the curved background of the black hole are derived. The…

广义相对论与量子宇宙学 · 物理学 2017-06-21 Mustapha Azreg-Aïnou , Sebastian Bahamonde , Mubasher Jamil

This work aims to explore the gravitational consequences of a recently proposed black hole solution presented in the literature [Phys. Dark Univ. 50 (2025) 102061]. We initiate our analyzes by taking into account the horizon structure,…

广义相对论与量子宇宙学 · 物理学 2025-09-18 A. A. Araújo Filho , N. Heidari , Iarley P. Lobo

We investigate equatorial periodic orbits and their gravitational wave radiation in the spacetime of an Euler--Heisenberg (EH) black hole surrounded by perfect fluid dark matter (PFDM). The combined effects of quantum electrodynamic…

广义相对论与量子宇宙学 · 物理学 2026-04-15 Dhruba Jyoti Gogoi , Jyatsnasree Bora , Ali Övgün

The presence of dark matter around a black hole remarkably affects its spacetime. We consider the effects of dark matter on the shadow of a new solution to the Einstein equations that describes a rotating black hole in the background of…

广义相对论与量子宇宙学 · 物理学 2019-02-12 Sumarna Haroon , Mubasher Jamil , Kimet Jusufi , Kai Lin , Robert B. Mann

In this work, we study the gravitational lensing by a Lorentz-violating (LV) black hole inspired by the recent contribution [1]. Explicitly, we concentrate on a specific application: we perform the computation of gravitational lensing…

广义相对论与量子宇宙学 · 物理学 2025-11-21 A. A. Araújo Filho , J. R. Nascimento , A. Yu. Petrov , P. J. Porfírio

The gravitational lensing of supermassive black holes surrounded by dark matter halo has attracted a great number of interests in recent years. However, many studies employed simplified dark matter density models, which makes it very hard…

广义相对论与量子宇宙学 · 物理学 2024-10-25 Yi-Gao Liu , Chen-Kai Qiao , Jun Tao

In this paper, we delve into the gravitational lensing and photon trajectories in the vicinity of non-asymptotically flat black hole spacetimes within the framework of dRGT massive gravity, incorporating a non-zero graviton mass. We assume…

广义相对论与量子宇宙学 · 物理学 2026-02-16 Haximjan Abdusattar , Yu-Xuan Han , Abdujappar Rusul , Shi-Bei Kong

The dark matter halo has non-negligible effects on the gravitational lensing of supermassive black hole in the galaxy center. Our work presents a study on the time-delay of light in gravitational lensing of black holes enclosed by dark…

广义相对论与量子宇宙学 · 物理学 2024-10-14 Chen-Kai Qiao , Ping Su

We investigate the gravitational lensing scenario due to Schwarzschild-like black hole surrounded by quintessence (Kiselev black hole). We work for the special case of Kiselev black hole where we take the state parameter…

广义相对论与量子宇宙学 · 物理学 2015-10-21 Azka Younas , Mubasher Jamil , Sebastian Bahamonde , Saqib Hussain

We study gravitational lensing by a recently proposed black hole solution in Loop Quantum Gravity. We highlight the fact that the quantum gravity corrections to the Schwarzschild metric in this model evade the `mass suppression' effects…

广义相对论与量子宇宙学 · 物理学 2015-03-16 Satyabrata Sahu , Kinjalk Lochan , D. Narasimha

In astronomy, gravitational lensing of light leads to the formation of multiple images, arcs, Einstein rings, and, most important, the shadow of black holes. Analogously in the vicinity of a massive compact object massive particles,…

广义相对论与量子宇宙学 · 物理学 2024-12-20 Torben C. Frost
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