Quasinormal modes for massive charged scalar fields in Reissner-Nordström dS black holes: anomalous decay rate

González, P. A.; Papantonopoulos, Eleftherios; Saavedra, Joel; Vásquez, Yerko

doi:10.1007/jhep06(2022)150

Cited by 15 publications

(4 citation statements)

References 56 publications

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“…Introducing another scale in the theory through the presence of a cosmological constant an anomalous behavior of QNMs was found in [44] as the result of the interplay of the mass of the scalar field and the value of the cosmological constant. Anomalous QNMs decay modes were also found if the background metric is the Reissner-Nordström and the probe scalar field is massless [45] of massive [46] depending on critical values of the charge of the black hole, the charge of the scalar field and its mass. The decay modes of QNMs in various setups were studied in [47][48][49][50].…”

Section: Introductionmentioning

confidence: 95%

Quasinormal modes of massive scalar fields in four-dimensional wormholes: Anomalous decay rate

et al. 2022

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In this work we consider a generalized Bronnikov-Ellis wormhole and the tideless Morris-Thorne wormhole and we study the propagation of massive scalar fields. We calculate the quasinormal frequencies using the Wentzel-Kramers-Brillouin method and the pseudospectral Chebyshev method and we show the presence of an anomalous decay rate for the quasinormal modes in the generalized Bronnikov-Ellis wormhole. However, such anomalous behavior is avoided for the fundamental mode in the Morris-Thorne wormhole background.

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Section: Introductionmentioning

confidence: 95%

Quasinormal modes of massive scalar fields in four-dimensional wormholes: Anomalous decay rate

et al. 2022

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“…These decay patterns are associated with modes of the pure de Sitter space deformed by a black hole [14,15]. Quasinormal modes of such massive fields in Schwarzschildde Sitter and Reissner-Nordström backgrounds have been extensively studied, as evidenced by works such as [16][17][18][19][20], with particular attention paid to the anomalous decay rate in the regime μM/m 2 P 1 [21,22] and Strong Cosmic Censorship [23,24]. Mathematical aspects of asymptotic decay around black holes embedded in de Sitter space were addressed in [25][26][27][28].…”

Section: Introductionmentioning

confidence: 99%

Late time decay of scalar and Dirac fields around an asymptotically de Sitter black hole in the Euler–Heisenberg electrodynamics

Bolokhov

2024

Eur. Phys. J. C

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We compute the quasinormal modes of massive scalar and Dirac fields within the framework of asymptotically de Sitter black holes in Euler–Heisenberg non-linear electrodynamics. We pay particular attention to the regime $$\mu M/m_{P}^2 \gg 1,$$ μ M / m P 2 ≫ 1 , where $$\mu $$ μ and M denote the masses of the field and the black hole, respectively, and $$m_{P}$$ m P represents the Planck mass, covering a range from primordial to large astrophysical black holes. Through time-domain integration, we demonstrate that, contrary to the asymptotically flat case, the quasinormal modes also dictate the asymptotic decay of fields. Employing the 6th order WKB formula, we derive a precise analytic approximation for quasinormal modes in the regime $$\mu M/m_{P}^2 \gg 1$$ μ M / m P 2 ≫ 1 without resorting to expansion in terms of the inverse multipole number. This analytic expression takes on a concise form in the limit of linear electrodynamics, represented by the Reissner–Nordström black holes. Our numerical analysis indicates the stability of the fields under consideration against linear perturbations.

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“…For horizonless compact objects, there could be echoes in the ringdown signal, which is the smoking gun for the existence of the horizonless compact objects [15,22,36]. One can also use the QNMs to constrain modified gravity theories [37][38][39][40][41][42][43][44][45]. It has also been found that the QNM spectrum is unstable under a small perturbation of the potential [46,47].…”

Section: Introductionmentioning

confidence: 99%

Quasinormal Modes of a Charged Black Hole with Scalar Hair

Guo

Tan

2023

Universe

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Based on the five-dimensional Einstein–Maxwell theory, Bah et al. constructed a singularity-free topology star/black hole [Phys. Rev. Lett. 126, 151101 (2021)]. After performing the Kaluza–Klein reduction, i.e., integrating the extra space dimension, it can obtain an effective four-dimensional spherically static charged black hole with scalar hair. In this paper, we study the quasinormal modes (QNMs) of the scalar, electromagnetic, and gravitational fields in the background of this effective four-dimensional charged black hole. The radial parts of the perturbed fields all satisfy a Schrödinger-like equation. Using the asymptotic iteration method, we obtain the QNM frequencies semianalytically. For low-overtone QNMs, the results obtained using both the asymptotic iteration method and the Wentzel–Kramers–Brillouin approximation method agree well. In the null coordinates, the evolution of a Gaussian package is also studied. The QNM frequencies obtained by fitting the evolution data also agree well with the results obtained using the asymptotic iteration method.

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Quasinormal modes for massive charged scalar fields in Reissner-Nordström dS black holes: anomalous decay rate

Cited by 15 publications

References 56 publications

Quasinormal modes of massive scalar fields in four-dimensional wormholes: Anomalous decay rate

Quasinormal modes of massive scalar fields in four-dimensional wormholes: Anomalous decay rate

Late time decay of scalar and Dirac fields around an asymptotically de Sitter black hole in the Euler–Heisenberg electrodynamics

Quasinormal Modes of a Charged Black Hole with Scalar Hair

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