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Scalar perturbations of nonsingular nonrotating black holes in conformal gravity
the scaling factor, and the corresponding quasinormal mode spectrum is the same and electromagnetic perturbations. Assuming that the quasinormal mode spectrum for scalar that the calculation of the quasinormal...
Astronomy (including astrophysics,space science)
- 2017 •
- Jimp •
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Quasinormal modes, scattering, and Hawking radiation in the vicinity of an Einstein-dilaton-Gauss-Bonnet black hole
. Therefore, here we observe that the quasinormal spectrum also deviates from its sensitive characteristic than its quasinormal spectrum, allowing for a 57% and 48Classical (quasinormal) and quantum (Hawki...
Astronomy (including astrophysics,space science)
- 2019 •
- Jimp •
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Quasinormal modes of massive fermions in Kerr spacetime: Long-lived modes and the fine structure
Quasinormal modes of a massive Dirac field were calculated for various static for the Kerr solution. Here we calculate quasinormal modes of a massive Dirac field in the Kerr background. We have shown that the infinitely long-lived <...
Astronomy (including astrophysics,space science)
- 2018 •
- Jimp •
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Nonoscillatory gravitational quasinormal modes and telling tails for Schwarzschild-de Sitter black holes
We show that the quasinormal spectrum of gravitational perturbations of Schwarzschild-de Sitter black holes contains a new branch of purely imaginary modes horizon radius to the cosmological horizon vanishes, these quasinormal
Astronomy (including astrophysics,space science)
- 2022 •
- Jimp •
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Further clarification on quasinormal modes/circular null geodesics correspondence
of the quasinormal spectrum to geometry deformations near the boundaries.The well-known correspondence between quasinormal modes of any stationary;> n quasinormal mode (where Z and n are multipole and overtone ...
Astronomy (including astrophysics,space science)
- 2023 •
- Jimp •
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Quasinormal modes and Hawking radiation of black holes in cubic gravity
We consider quasinormal modes and Hawking radiation of four-dimensional asymptotically flat black holes in the most general up to-cubic-order-in-curvature dimension-independent Einsteinian theory of gravity that shares its graviton spect...
Astronomy (including astrophysics,space science)
- 2020 •
- Jimp •
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Quasinormal modes of black holes in 5D Gauss-Bonnet gravity combined with non-linear electrodynamics
Quasinormal modes of black holes were previously calculated in a non-linear of the above factors and find quasinormal modes of a (massive) scalar field not exclude the situation in which gravitational spectrum may restore t...
Physical sciences
- 2020 •
- Jimp •
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Massive nonminimally coupled scalar field in Reissner-Nordström spacetime: Long-lived quasinormal modes and instability
Here we show that the phenomenon of arbitrarily long-lived quasinormal modes in the spectrum, which are responsible for the eikonal instability of the field. For small quasinormal modes which are nonperturbative in the coup...
Astronomy (including astrophysics,space science)
- 2018 •
- Jimp •
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Asymptotic decay and quasinormal frequencies of scalar and Dirac fields around dilaton-de Sitter black holes
exponential without oscillations. This reflects the dominance of quasinormal modes that the earlier WKB calculation of the massive scalar field spectrum does not allow one......
Astronomy (including astrophysics,space science)
- 2024 •
- Jimp •
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Exploring unique quasinormal modes of a massive scalar field in brane-world scenarios
We compute precise values of quasinormal modes of a massive scalar field in the background of the Schwarzschild-like brane-localised black holes. It is shown that the quasinormal spectrum of the massive field differs qualit...
Astronomy (including astrophysics,space science)
- 2024 •
- Jimp •
- Link
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