3 papers
hep-th2026
Unified equation for massless spin fields and new definitions of key spin coefficients
Zhong-Heng Li
Whether studying gravitational waves from extreme mass ratio inspirals or exploring the analogy between massless spin-particle waves, black hole perturbation theory proves indispen…
gr-qc2025
Scattering of massless waves with arbitrary spin: a unified analysis for Schwarzschild-type medium black holes
Zhong-Heng Li
A unified equation is employed to analytically investigate the scattering of massless spin particles by a Schwarzschild-type medium black hole. It is found that for spin particles,…
gr-qc2025
Analytical Forms and Degeneracy of Quasinormal Modes for Kerr-Newman-de Sitter Black Holes
Zhong-Heng Li
This study investigates the quasinormal modes of Kerr-Newman-de Sitter black holes for massless spin particles using the unified equation. We derive analytical expressions for both…