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gr-qc2026
Precessions and parameter constraints from quasiperiodic oscillations in a rotating charged black hole
R. H. Ali, Meng-He Wu, Hong Guo +1
We investigate quasi-periodic oscillations (QPOs) as a diagnostic tool for probing frame-dragging effects and accretion disk physics in the spacetime of a rotating regular magnetic…
gr-qc2025
Mapping Quasi-Periodic Oscillations to Lyapunov Exponent across Black Hole Thermodynamic Phase Transitions
R. H. Ali, Xiao-Mei Kuang, Zi-Yu Tang
We investigate the thermodynamic phase structure of a nonminimally coupled magnetic AdS black hole through the dynamics of timelike particles. The free energy analysis reveals a Va…