activity
20032021
most citedQuasinormal-mode spectrum of Kerr black holes and its geometric interpretation

229 citations · 1.1k across the 31 of their papers we have counts for

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Showing 2015Show all

5 papers · 1 filter

gr-qc2015★ 2 cited

Reply to "On the branching of quasinormal resonances of near-extremal Kerr black holes" by Shahar Hod

Aaron Zimmerman, Huan Yang, Fan Zhang +3

In a study of the quasinormal mode frequencies of nearly extremal black holes, we pointed out a bifurcation of the mode spectrum into modes with finite decay and modes with vanishi…

astro-ph.HE2015★ 9 cited

Plasma-wave generation in a dynamic spacetime

Huan Yang, Fan Zhang

We propose a new electromagnetic-emission mechanism in magnetized, force-free plasma, which is driven by the evolution of the underlying dynamic spacetime. In particular, the emiss…

astro-ph.HE2015★ 23 cited

Magnetosphere of a Kerr black hole immersed in magnetized plasma and its perturbative mode structure

Huan Yang, Fan Zhang, Luis Lehner

This work studies jet-like electromagnetic configurations surrounding a slowly-spinning black-hole immersed in a uniformly magnetized force-free plasma. In the first part of this w…

gr-qc2015★ 21 cited

Coupled Oscillator Model for Nonlinear Gravitational Perturbations

Huan Yang, Fan Zhang, Stephen R. Green +1

Motivated by the gravity/fluid correspondence, we introduce a new method for characterizing nonlinear gravitational interactions. Namely we map the nonlinear perturbative form of t…

gr-qc2015★ 15 cited

Stability of exact force-free electrodynamic solutions and scattering from spacetime curvature

Fan Zhang, Sean T. McWilliams, Harald P. Pfeiffer

Recently, a family of exact force-free electrodynamic (FFE) solutions was given by Brennan, Gralla and Jacobson, which generalizes earlier solutions by Michel, Menon and Dermer, an…