In the NED-corrected charged black hole spacetime, scalar-field quasinormal mode frequencies and damping rates both decrease with the NED parameter, and the low-frequency greybody factor increases.
ζ=0.00 ζ=0.30 ζ=0.60 ζ=0.90 0.5 1.0 1.5 2.0 0.0 0.2 0.4 0.6 0.8 1.0 ωr + Greybody FactorΓ(ωr +) FIG
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Quasinormal Modes and Greybody Factors of Scalar Field Perturbations in the NED Corrected Charged Black Hole Spacetime
In the NED-corrected charged black hole spacetime, scalar-field quasinormal mode frequencies and damping rates both decrease with the NED parameter, and the low-frequency greybody factor increases.