Articles with "greybody" as a keyword



Exact greybody factors for the brane scalar field of five-dimensional rotating black holes

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Published in 2019 at "Journal of High Energy Physics"

DOI: 10.1007/jhep06(2019)041

Abstract: A bstractWe study scalar perturbations of the five-dimensional rotating black holes and find an exact solution giving exact description of the Hawking radiation. Mathematically, the full solution for this spin-zero field is expressed in terms… read more here.

Keywords: greybody factors; greybody; black holes; rotating black ... See more keywords

Quazinormal modes and greybody factor of black hole surrounded by a quintessence in the S-V-T modified gravity as well as shadow

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Published in 2024 at "Physica Scripta"

DOI: 10.1088/1402-4896/ad4069

Abstract: The purpose of this study is to investigate the quasinormal modes (QNMs), greybody factors (GFs) and shadows in a plasma of a black hole (BH) surrounded by an exotic fluid of quintessence type in a… read more here.

Keywords: black hole; hole surrounded; modified gravity; greybody ... See more keywords

Greybody factors of charged black holes with axion hair

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Published in 2025 at "Physical Review D"

DOI: 10.1103/5bcc-gc31

Abstract: We study the greybody factor of charged hairy black holes (BHs) that arise due to the presence of an axion coupled to the electromagnetic field. Specifically, we consider spin-0 and spin-1 test particles propagating in… read more here.

Keywords: axion hair; greybody factors; greybody; test particles ... See more keywords

Black hole greybody factors from Korteweg–de Vries integrals: Computation

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Published in 2023 at "Physical Review D"

DOI: 10.1103/physrevd.107.084039

Abstract: It has recently been shown that the dynamics of perturbed non-rotating black holes (BHs) admits an infinite number of symmetries that are generated by the flow of the Korteweg-de Vries (KdV) equation. These symmetries lead… read more here.

Keywords: greybody; black hole; korteweg vries; greybody factors ... See more keywords

Superradiant (In)stability, Greybody Radiation, and Quasinormal Modes of Rotating Black Holes in Non-Linear Maxwell f(R) Gravity

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Published in 2023 at "Symmetry"

DOI: 10.3390/sym15040873

Abstract: This work is dedicated to the investigation of the superradiant stability of a rotating black hole derived from the nonlinear Maxwell theory of gravity, f(R). The evaluation of stability and instability in this study will… read more here.

Keywords: gravity; maxwell gravity; rotating black; greybody ... See more keywords