Charged scalar perturbations on Kerr-EMDA black holes admit exact confluent Heun solutions, producing universal imaginary frequency spacing of 1/(2M) and dilaton-dependent entropy quanta, with closed-form greybody factors in massless limits.
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A finite-mass two-throat wormhole admits a complete light-ring phase diagram in which four rings can share one critical impact parameter yet contribute unequally to transmitted strong lensing and scalar resonances.
Visibility modulations from extra photon rings appear only for spherically symmetric boson stars near equatorial viewing angles; rotating models show incomplete crescent-shaped rings and no clean modulation.
CosmicDancePro integrates multimodal datasets to reveal that solar storms cause significant Starlink orbital decay and network degradation, and explains a 'W'-shaped altitude variation pattern via day-night atmospheric density differences.
Quasinormal modes for three spin fields on Einstein-Skyrme AdS black holes exhibit a mild overtone anomaly and confirm strong cosmic censorship with Christodoulou parameter β much smaller than 1/2.
An RG-improved Schwarzschild metric with de Sitter core is studied for shadow radius, scalar/EM/Dirac quasinormal modes via WKB and time-domain methods, SCC compliance at the inner horizon, and a Davies-type thermodynamic phase transition.
A black hole in a Kalb-Ramond field coupled to perfect fluid dark matter has modified photon orbits and quasinormal mode frequencies and damping rates that depend on the Lorentz-violating parameter alpha and dark matter parameter lambda.
Applies KCC theory for Jacobi stability analysis of geodesics in dynamical Chern-Simons rotating black holes and compares advantages versus Lyapunov stability.
citing papers explorer
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Greybody Factor, Resonant Frequencies, and Entropy Quantization of Charged Scalar Fields in the Kerr-EMDA Black Hole
Charged scalar perturbations on Kerr-EMDA black holes admit exact confluent Heun solutions, producing universal imaginary frequency spacing of 1/(2M) and dilaton-dependent entropy quanta, with closed-form greybody factors in massless limits.
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Finite mass two throat wormholes: global light rings, branch resolved strong lensing, and scalar transmission
A finite-mass two-throat wormhole admits a complete light-ring phase diagram in which four rings can share one critical impact parameter yet contribute unequally to transmitted strong lensing and scalar resonances.
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Ray tracing ultracompact boson stars: visibility modulations and incomplete photon rings
Visibility modulations from extra photon rings appear only for spherically symmetric boson stars near equatorial viewing angles; rotating models show incomplete crescent-shaped rings and no clean modulation.
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Breaking Parameter Degeneracies in a Magnetically Charged Black Hole Embedded in a Hernquist Dark-Matter Halo: A Multi-Observable Analysis
CosmicDancePro integrates multimodal datasets to reveal that solar storms cause significant Starlink orbital decay and network degradation, and explains a 'W'-shaped altitude variation pattern via day-night atmospheric density differences.
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Spin-($0$, $1$, $\frac{1}{2}$) Field Perturbations, Quasinormal Modes, Overtones, Greybody Factors and Strong Cosmic Censorship of Einstein-Skyrme Black Holes
Quasinormal modes for three spin fields on Einstein-Skyrme AdS black holes exhibit a mild overtone anomaly and confirm strong cosmic censorship with Christodoulou parameter β much smaller than 1/2.
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Renormalization-group improved Schwarzschild black hole: shadow, ringdown, and strong cosmic censorship
An RG-improved Schwarzschild metric with de Sitter core is studied for shadow radius, scalar/EM/Dirac quasinormal modes via WKB and time-domain methods, SCC compliance at the inner horizon, and a Davies-type thermodynamic phase transition.
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Optical Appearance and Ringdown of Black Holes in a Kalb Ramond Field Coupled to Perfect Fluid Dark Matter
A black hole in a Kalb-Ramond field coupled to perfect fluid dark matter has modified photon orbits and quasinormal mode frequencies and damping rates that depend on the Lorentz-violating parameter alpha and dark matter parameter lambda.
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Stability analysis of geodesics in dynamical Chern-Simons black holes: a geometrical perspective
Applies KCC theory for Jacobi stability analysis of geodesics in dynamical Chern-Simons rotating black holes and compares advantages versus Lyapunov stability.