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7 papers · 2 filters
Asymptotic Quasinormal Frequencies of Brane-Localized Black Hole
D. K. Park
The asymptotic quasinormal frequencies of the brane-localized -dimensional black hole are computed. Since the induced metric on the brane is not an exact vacuum solution of…
Hawking Radiation of the Brane-Localized Graviton from a -dimensional Black Hole
D. K. Park
Following the Regge-Wheeler algorithm, we derive a radial equation for the brane-localized graviton absorbed/emitted by the -dimensional Schwarzschild black hole. Making use…
Bulk versus Brane in the Absorption and Emission : 5D Rotating Black Hole Case
Eylee Jung, D. K. Park
The absorption and emission spectra for the minimally-coupled brane and bulk scalar fields are numerically computed when the spacetime is a rotating black hole carrying the tw…
Condition for the Superradiance Modes in Higher-Dimensional Rotating Black Holes with Multiple Angular Momentum Parameters
Eylee Jung, SungHoon Kim, D. K. Park
The condition for the existence of the superradiance modes is derived for the incident scalar, electromagnetic and gravitational waves when the spacetime background is a higher-dim…
Condition for Superradiance in Higher-dimensional Rotating Black Holes
Eylee Jung, SungHoon Kim, D. K. Park
It is shown that the superradiance modes always exist in the radiation by the -dimensional rotating black holes. Using a Bekenstein argument the condition for the superradia…
Ratio of absorption cross section for Dirac fermion to that for scalar in the higher-dimensional black hole background
Eylee Jung, SungHoon Kim, D. K. Park
The ratio of the low-energy absorption cross section for Dirac fermion to that for minimally coupled scalar is computed when the spacetimes are various types of the higher-dimensio…