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20242026
most citedCharged superradiant instability in a spherical regular black hole

5 citations · 10 across the 8 of their papers we have counts for

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gr-qc2026

External magnetic-field effects on dipolar-particle orbits and critical collisions in Kerr--Bertotti--Robinson spacetime

Haowei Chen, Hengyu Xu, Shao-Jun Zhang

Strong magnetic fields affect particle dynamics through two distinct channels: gravitational backreaction deforms the spacetime, while direct coupling to an intrinsic magnetic mome…

gr-qc2026

Horizon-Evanescent Scalar Clouds from Coupled Rotation and Magnetic Fields around Black Holes

Hengyu Xu, Haowei Chen, Shao-Jun Zhang

We show that black-hole rotation and an external magnetic field can jointly generate a distinct class of scalar clouds. Using the Kerr-Bertotti-Robinson geometry as a separable lab…

gr-qc2026

Quasibound states of a charged Dirac field around regular black holes

Shao-Jun Zhang

Charged regular black holes can respond differently from Reissner--Nordström (RN) black holes to charged scalar perturbations, raising the question of whether their inner geometry…

gr-qc2026

Gravitational waves of extreme-mass-ratio inspirals in a rotating black hole with Dehnen dark matter halo

Kun Meng, Shao-Jun Zhang, Nan Yang

Extreme Mass Ratio Inspirals (EMRIs) are among the key targe sources for the space-based gravitational wave (GW) detectors. The waveforms of the EMRIs are highly sensitive to the t…

gr-qc2026

Charged Superradiant Instability of Spherically Symmetric Regular Black Holes in de Sitter Spacetime: Time- and Frequency-Domain Analysis

Yizhi Zhan, Hengyu Xu, Haowei Chen +1

We investigate the superradiant instability of Ayón-Beato-García-de Sitter (ABG-dS) black holes under massless charged scalar perturbations using both time-domain evolutions and fr…