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- W4285687122 abstract "We find the low lying quasinormal mode frequencies of the recently proposed novel four dimensional Gauss-Bonnet de Sitter black holes for scalar, electromagnetic and Dirac field perturbations using the third order WKB approximation as well as Pad'{e} approximation, as an improvement over WKB. We figure out the effect of the Gauss-Bonnet coupling $alpha$ and the cosmological constant $Lambda$ on the real and imaginary parts of the QNM frequencies. We also study the greybody factors and eikonal limits in the above background for all three different types of perturbations." @default.
- W4285687122 created "2022-07-17" @default.
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- W4285687122 date "2020-04-30" @default.
- W4285687122 modified "2023-09-30" @default.
- W4285687122 title "Quasinormal modes and greybody factors of the novel four dimensional Gauss-Bonnet black holes in asymptotically de Sitter space time: Scalar, Electromagnetic and Dirac perturbations" @default.
- W4285687122 doi "https://doi.org/10.48550/arxiv.2004.14935" @default.
- W4285687122 hasPublicationYear "2020" @default.
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