88 citations · 762 across the 48 of their papers we have counts for
51 papers
Scalar wave dark matter imprints on binary black hole mergers: dependence on field mass and density
Yu-Peng Zhang, Shao-Wen Wei, Yu-Xiao Liu
Dark matter environments can modify binary black hole mergers and imprint their gravitational-wave signals. We perform numerical-relativity simulations of nonspinning binary black…
Spectral Butterfly Effect and Resilient Ringdown in Thick Braneworlds
Hai-Long Jia, Wen-Di Guo, Yu-Peng Zhang +1
The quasinormal mode spectrum is a unique fingerprint linking gravitational-wave observations to extra-dimensional geometry. In this Letter, we show that thick braneworlds exhibit…
Violation of cosmic censorship in Einstein-Maxwell-Scalar models with fractional coupling
Yan-Qing Xu, Rui-Feng Zheng, Yu-Peng Zhang +1
The weak cosmic censorship conjecture plays a foundational role in classical gravity by asserting that spacetime singularities are generically hidden behind event horizons. In this…
Effects of nonlinear interactions on the superradiant instability of charged black holes
Bo-Wen Qin, Yu-Peng Zhang
A Reissner-Nordström black hole (RNBH) enclosed in a cavity is known to be superradiantly unstable to charged scalar perturbations below a critical frequency. Inspired by the emerg…
Self-resonance preheating in deformed attractor models: oscillon formation and evolution
Bao-Min Gu, Yu-Peng Zhang, Fu-Wen Shu +1
It is well known that, in potentials that are quadratic near the minimum but shallower away, such as small- () attractors, the inflaton condensate fragments into loc…
Gravitational equal-area law and critical phenomena of cuspy black hole shadow
Shao-Wen Wei, Chao-Hui Wang, Yu-Peng Zhang +2
The formation of a cusp on a black hole shadow is a striking signature of physics beyond the Kerr paradigm. Using the Konoplya-Zhidenko metric, a general parametrized deformation o…
Constraints on quantum Oppenheimer-Snyder black holes with eccentric extreme mass-ratio inspirals
Sen Yang, Yu-Peng Zhang, Li Zhao +1
We investigate the potential of extreme mass-ratio inspirals to constrain quantum Oppenheimer-Snyder black holes within the framework of loop quantum gravity. We consider a stellar…
Universal exponents of black hole phase transition at zero-temperature limit
Shao-Wen Wei, Shan-Ping Wu, Yu-Peng Zhang +1
In this work, we investigate the universal thermodynamic characteristics of black hole phase transitions at the zero-temperature limit. Our results reveal that, far below the criti…
A new type of multi-branch periodic orbits in dyonic black holes
Chao-Hui Wang, Yu-Peng Zhang, Tao Zhu +1
We investigate bound timelike periodic orbits in dyonic black hole spacetimes arising from quasi-topological electromagnetism. By varying the coupling parameter , we show that…
Evolution of innermost stable circular orbit and light ring of a charged black hole induced by the scalarization
Yu-Peng Zhang, Shao-Wen Wei, Yu-Xiao Liu
In this paper, we investigate the dynamical evolution of the innermost stable circular orbit (ISCO) and light ring of a charged black hole during dynamical scalarization. This is a…
Orbits of photon in Bardeen-boson stars and their frozen states
Long-Xing Huang, Shi-Xian Sun, Yu-Peng Zhang +2
In a recent study [1], the Bardeen-boson star (BBS) model involving a scalar field minimally coupled to Einstein gravity and a Bardeen's nonlinear electromagnetic field was investi…
Emerging black hole shadow from collapsing boson star
Yu-Peng Zhang, Shao-Wen Wei, Yu-Xiao Liu
This work devotes to investigate the dynamical emergence of black hole shadow from gravitational lensing in dynamical spacetime by using the collapsing boson star. Two characterize…
Equatorial periodic orbits and gravitational waveforms in a black hole free of Cauchy horizon
Chao-Hui Wang, Xiang-Cheng Meng, Yu-Peng Zhang +2
In this paper, we study the periodic orbits and gravitational wave radiation in an extreme mass ratio inspiral system, where a stellar-mass object orbits a supermassive black hole…
Dynamical formation of axionic hair around charged black hole
Yu-Peng Zhang, Si-Jiang Yang, Shao-Wen Wei +2
In this paper, we present a nonlinear numerical investigation on the dynamical scalarization process of a Reissner-Nordström black hole, incorporating an axionic scalar potential w…
Gravitational waveforms from periodic orbits around a quantum-corrected black hole
Sen Yang, Yu-Peng Zhang, Tao Zhu +2
Extreme mass-ratio inspirals are crucial sources for future space-based gravitational wave detections. Gravitational waveforms emitted by extreme mass-ratio inspirals are closely r…
Nonlinear Stability of Black Holes with a Stable Light Ring
Guangzhou Guo, Peng Wang, Yupeng Zhang
Recently, ultracompact objects have been found to be susceptible to a new nonlinear instability, known as the light-ring instability, triggered by stable light rings. This discover…
Constraining black hole parameters with the precessing jet nozzle of M87*
Shao-Wen Wei, Yuan-Chuan Zou, Yu-Peng Zhang +1
Recently, Cui et al. [Nature \textbf{621}, 711 (2023)] reported that the jet nozzle of M87* exhibits a precession with a period of approximately 11 years. This finding strongly sug…
Fate of initially bound timelike geodesics in spherical boson stars
Yu-Peng Zhang, Shi-Xian Sun, Yong-Qiang Wang +3
Boson stars are horizonless compact objects and they could possess novel geodesic orbits under the equilibrium assumption, which differ from those in black hole backgrounds. Howeve…
Rotating multistate axion boson stars
Yan-Bo Zeng, Shi-Xian Sun, Si-Yuan Cui +2
We consider excited configuration and multistate configuration of rotating axion boson stars~(RABSs).RABSs are asymptotically flat, stationary, spinning, horizonless solutions of E…
Characteristic modes of thick brane model: resonances and quasinormal modes
Qin Tan, Wen-Di Guo, Yu-Peng Zhang +1
In this work, we investigate the gravitational quasinormal modes (QNMs) and the gravitational resonances of a thick brane model. We use the asymptotic iteration and shooting method…
Evolution of Fermion Resonance in Thick Brane
Chun-Chun Zhu, Qin Tan, Yu-Peng Zhang +1
In this work, we investigate numerical evolution of massive Kaluza-Klein (KK) modes of a Dirac field on a thick brane. We deduce the Dirac equation in five-dimensional spacetime, a…
Static spheres around spherically symmetric black hole spacetime
Shao-Wen Wei, Yu-Peng Zhang, Yu-Xiao Liu +1
Unique features of particle orbits produce novel signatures of gravitational observable phenomena, and are quite useful in testing compact astrophysical objects in general relativi…
Gravitational recoil from binary black hole mergers in scalar field clouds
Yu-Peng Zhang, Miguel Gracia-Linares, Pablo Laguna +2
In vacuum, the gravitational recoil of the final black hole from the merger of two black holes depends exclusively on the mass ratio and spins of the coalescing black holes, and on…
Primordial black holes from an inflationary potential valley
Bao-Min Gu, Fu-Wen Shu, Ke Yang +1
Primordial black holes (PBHs) could be formed if large perturbations are generated on small scales in inflation. We study a toy inflation model with a local minimum. The curvature…