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相关论文: Wave Function for the Reissner-Nordstr\"om Black-H…

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In this paper, we explore the quasinormal modes (QNMs) of a black hole surrounded by a fluid of strings within the framework of Rastall gravity. We analyze the behavior of scalar, electromagnetic, and gravitational perturbations, focusing…

高能物理 - 理论 · 物理学 2024-09-26 Ming Zhang , Rui-Hong Yue , De-Cheng Zou

We study gravitational lensing by a Reissner-Nordstrom (RN) black hole in the weak field limit. We obtain the basic equations for the deflection angle and time delay and find analytical expressions for the positions and amplifications of…

广义相对论与量子宇宙学 · 物理学 2009-11-10 M. Sereno

Using the FermiDirac distribution function, Balart and Vagenas gave a charged spherically symmetric regular black hole, which is a solution of Einstein field equations coupled to a nonlinear electrodynamics. In fact, the regular black hole…

广义相对论与量子宇宙学 · 物理学 2022-09-20 Hongxing Zhang , Naying Zhou , Wenfang Liu , Xin Wu

We consider Maxwell-f(R) gravity and obtain an exact charged black hole solution with dynamic curvature in D-dimensions. Considering a spherically symmetric metric ansatz and without specifying the form of f(R) we fnd a general black hole…

广义相对论与量子宇宙学 · 物理学 2021-04-07 Zi-Yu Tang , Bin Wang , Eleftherios Papantonopoulos

We solve the Wheeler DeWitt equation for the planar Reissner-Nordstr\"om-AdS black hole in a minisuperspace approximation. We construct semiclassical Wheeler DeWitt states from Gaussian wavepackets that are peaked on classical black hole…

高能物理 - 理论 · 物理学 2023-08-03 Matthew J. Blacker , Sirui Ning

We reveal the existence of a new form of spontaneously scalarized black-hole configurations. In particular, it is proved that Reissner-Nordstr\"om black holes in the highly charged regime $Q/M>(Q/M)_{\text{crit}}=\sqrt{21}/5$ can support…

高能物理 - 理论 · 物理学 2022-02-23 Shahar Hod

We present analogue models for the Schwarzschild and Reissner-Nordstr\"om (RN) spacetimes based on unidirectional hydrodynamic flows. We show that, with appropriate coordinate transformations, sound waves in a moving fluid propagate as…

广义相对论与量子宇宙学 · 物理学 2021-07-20 Christyan C. de Oliveira , Ricardo A. Mosna , João Paulo M. Pitelli , Maurício Richartz

Black-hole quasinormal modes (QNM) have been the subject of much recent attention, with the hope that these oscillation frequencies may shed some light on the elusive theory of quantum gravity. We compare numerical results for the QNM…

广义相对论与量子宇宙学 · 物理学 2009-11-10 Shahar Hod

The metric for a Reissner-Nordstr$\ddot{o}$m black hole in the background of the Friedman-Robertson-Walker universe is obtained. Then we verified it and discussed the influence of the evolution of the universe on the size of the black hole.…

广义相对论与量子宇宙学 · 物理学 2009-11-10 Chang Jun Gao , Shuang Nan Zhang

We obtain an exact solution of Einstein's equations for a charged, static and spherically symmetric body, surrounded by a fluid of strings and with a cosmological constant. This corresponds to the Reissner-Nordstr\"om (de Sitter)-Anti de…

广义相对论与量子宇宙学 · 物理学 2020-12-30 J. M. Toledo , V. B. Bezerra

A modified version of the Reissner-Nordstrom metric is proposed on the grounds of the nonlinear electrodynamics model. The source of curvature is an anisotropic fluid with $p_{r} = -\rho$ which resembles the Maxwell stress tensor at $r >>…

广义相对论与量子宇宙学 · 物理学 2015-11-02 Hristu Culetu

Hiscock and Weems showed that there is an attractor behavior in the evolution of asymptotically flat Reissner-Nordstr\"om black hole under Hawking evaporation. If the initial charge-to-mass ratio $Q/M$ of the black hole is relatively small,…

广义相对论与量子宇宙学 · 物理学 2021-01-19 Yen Chin Ong

The Reissner-Nordstr\"om black hole - moving mirror correspondence is solved. The beta coefficients reveal that charge makes a black hole radiate fewer particles (neutral massless scalars) per frequency. An old Reissner-Nordstr\"om black…

广义相对论与量子宇宙学 · 物理学 2020-12-29 Michael R. R. Good , Yen Chin Ong

Maxwell's equations are invariant under both duality rotations and conformal transformations. Recently Bandos, Lechner, Sorokin, and Townsend have found a nonlinear generalisation of electrodynamics which possesses both of these symmetries.…

广义相对论与量子宇宙学 · 物理学 2020-12-14 Daniel Flores-Alfonso , Blanca Angélica González-Morales , Román Linares , Marco Maceda

This is the second lecture of `RAGtime' series on electrodynamical effects near black holes. We will summarize the basic equations of relativistic electrodynamics in terms of spin-coefficient (Newman-Penrose) formalism. The aim of the…

广义相对论与量子宇宙学 · 物理学 2017-02-14 Vladimir Karas

It is well known that the charged scalar perturbations of the Reissner-Nordstrom metric will decay slower at very late times than the neutral ones, thereby dominating in the late time signal. We show that at the stage of quasinormal…

广义相对论与量子宇宙学 · 物理学 2009-11-07 R. A. Konoplya

From the duality between the interaction region of colliding waves and black holes (BHs) it is known that certain BH solutions can be obtained from colliding gravity coupled electromagnetic (em) waves. In the limit of vanishing gravity…

广义相对论与量子宇宙学 · 物理学 2025-07-04 M. Halilsoy , V. Memari

We solve numerically equations of motion for real self-interacting scalar fields in the background of Reissner-Nordstrom black hole and obtained a sequence of static axisymmetric solutions representing thick domain walls charged black hole…

广义相对论与量子宇宙学 · 物理学 2009-11-10 R. Moderski , M. Rogatko

We investigate stationary spherically symmetric accretion of the relativistic Vlasov gas on Reissner-Nordstr\"{o}m black holes. The model is based on a recent analysis done by Rioseco and Sarbach for the Schwarzschild spacetime. Both models…

广义相对论与量子宇宙学 · 物理学 2020-07-15 Adam Cieślik , Patryk Mach

We investigate the characteristics of circular geodesics around loop quantum Reissner-Nordstr\"om black hole (LQRNBH) and the radiation properties and observational appearance of a thin accretion disk around it. By calculating the shadow…

广义相对论与量子宇宙学 · 物理学 2026-01-22 Qian Li , Jia-Hui Huang
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