51 citations · 174 across the 25 of their papers we have counts for
26 papers
Probing Dark Matter with Gravitational Waves: Spin-Modulated Dephasing from Black Holes in Halos
Guoyang Fu, Yunqi Liu, Jian-Pin Wu +2
We develop a novel analytical framework for constructing axisymmetric black hole spacetimes sourced by dark matter (DM) halos. Applying this to extreme mass ratio inspirals (EMRIs)…
A metric solution for rotating black holes embedded in dark matter halos with central spikes
Rui-Hong Yue, Yu-Qian Zhao, Wei-Liang Qian
We propose an analytic metric describing rotating black holes surrounded by generic dark matter halos. This metric is an exact solution of the field equations that incorporates a d…
Effectiveness of nonflow suppression using multi-particle correlators
Chong Ye, Wei-Liang Qian, Yue Cui +4
As flow estimators, multi-particle correlators, particularly the higher-order ones, are generally regarded as effective tools for suppressing non-flow contributions. In this work,…
Continued fraction method for high overtone quasinormal modes in effective potentials with discontinuity
Guan-Ru Li, Jodin C. Morey, Wei-Liang Qian +4
In this study, we extend Leaver's continued fraction method to evaluate black hole quasinormal modes (QNMs) in systems where the effective potential exhibits a discontinuity. Besid…
Reflectionless and echo modes in asymmetric Damour-Solodukhin wormholes
Wei-Liang Qian, Qiyuan Pan, Ramin G. Daghigh +2
It is understood that the echo waveforms in ultracompact objects can be regarded as composed mainly of the asymptotic high-overtone quasinormal modes, dubbed echo modes, which pred…
Spectral instability in modified Pöschl-Teller effective potential triggered by deterministic and random perturbations
Shui-Fa Shen, Guan-Ru Li, Ramin G. Daghigh +4
Owing to its substantial implications for black hole spectroscopy, spectral instability has attracted considerable attention in the literature. While the emergence of such instabil…
Nonflow suppression in flow analysis with a maximum likelihood estimator
Chong Ye, Wei-Liang Qian, Cesar A. Bernardes +4
We show that the maximum likelihood estimator (MLE) is an effective tool for mitigating non-flow effects in flow analysis. To this end, one constructs two toy models that simulate…
Asymptotic quasinormal modes, echoes, and black hole spectral instability: a brief review
Shui-Fa Shen, Guan-Ru Li, Ramin G. Daghigh +4
We present a short review of the analytical aspects of recent progress in the study of black hole spectral instability and its potential observational consequences. This topic, ins…
Regge poles, grey body factors, and absorption cross sections for black hole metrics with discontinuity
Guan-Ru Li, Wei-Liang Qian, Qiyuan Pan +3
It was recently proposed by Rosato {\it et al.} and Oshita {\it et al.} that black hole greybody factors, as stable observables at relatively high frequencies, are more relevant qu…
On the universality of instability in the fundamental quasinormal modes of black holes
Wei-Liang Qian, Guan-Ru Li, Ramin G. Daghigh +2
We elaborate on a criterion for the emergence of instability in the fundamental mode recently observed by Cheung {\it et al.}, as a universal phenomenon in the context of black hol…
Analysis of flow factorization and event-plane correlations based on a maximum likelihood estimator
Chong Ye, Cesar A. Bernardes, Wei-Liang Qian +4
In this study, we use the maximum likelihood estimator (MLE) to explore factorization and event-plane correlations in relativistic heavy-ion collisions. Our analyses incorporate bo…
On sensitivity of nucleus deformation on final-state flow harmonics
Henrique Mascalhusk, Dener S. Lemos, Otavio Socolowski +3
In this work, we explore the effect of deformation of the nuclei on collective flow in relativistic heavy-ion collisions. The parameter associated with the geometrical deformation…
Late-time tail and echoes of Damour-Solodukhin wormholes
Wei-Liang Qian, Qiyuan Pan, Bean Wang +1
Damour-Solodukhin wormholes are intriguing theoretical constructs, closely mimicking many properties of black holes. This study delves into two distinct characteristics of the wave…
Suppression of the multiplicity fluctuations in particle correlations
Chong Ye, Hong-Hao Ma, Dan Wen +3
Multiplicity fluctuations play a crucial role in relativistic heavy-ion collisions. In this work, we explore how the multiplicity fluctuations can be effectively suppressed in the…
On partition temperature of massless particles in high-energy collisions
Wei-Liang Qian, Kai Lin, Rui-Hong Yue +2
Although partition temperature derived using the Darwin-Fowler method is exact for simple scenarios, the derivation for complex systems might reside on specific approximations whos…
Detecting the secondary spin with extreme mass ratio inspirals in Scalar-Tensor theory
Hong Guo, Chao Zhang, Yunqi Liu +3
In this paper, we investigate the detectability of secondary spin in the extreme mass ratio inspirals system within a modified gravity model coupled with a scalar field. The centra…
On statistical fluctuations in collective flows
Wei-Liang Qian, Kai Lin, Chong Ye +3
In relativistic heavy-ion collisions, event-by-event fluctuations are known to have non-trivial implications. Even though the probability distribution is geometrically isotropic fo…
Utilizing maximum likelihood estimator for flow analysis
Chong Ye, Wei-Liang Qian, Rui-Hong Yue +2
We explore the possibility of evaluating flow harmonics by employing the maximum likelihood estimator (MLE). For a given finite multiplicity, the MLE simultaneously furnishes estim…
On second-order combinatorial algebraic time-delay interferometry
Wei-Liang Qian, Pan-Pan Wang, Zhang-Qi Wu +3
Inspired by the combinatorial algebraic approach proposed by Dhurandhar {\it et al.}, we propose two novel classes of second-generation time-delay interferometry (TDI) solutions an…
On the late-time tails of massive perturbations in spherically symmetric black holes
Wei-Liang Qian, Kai Lin, Cai-Ying Shao +2
It was first pointed out by Koyama and Tomimatsu that, under reasonable assumptions, the asymptotic late-time tails of massive scalar perturbations in the far zone of spherically s…
Detection of scalar fields by Extreme Mass Ratio Inspirals with a Kerr black hole
Hong Guo, Yunqi Liu, Chao Zhang +3
We study extreme mass ratio inspirals occurring in modified gravity, for which the system is modeled by a small compact object with scalar charge spiraling into a supermassive Kerr…
Quasinormal modes in two-photon autocorrelation and the geometric-optics approximation
Wei-Liang Qian, Kai Lin, Xiao-Mei Kuang +2
In this work, we study the black hole light echoes in terms of the two-photon autocorrelation and explore their connection with the quasinormal modes. It is shown that the above ti…
On an alternative mechanism for the black hole echoes
Hang Liu, Wei-Liang Qian, Yunqi Liu +3
Gravitational wave echoes from the black holes have been suggested as a crucial observable to probe the spacetime in the vicinity of the horizon. In particular, it was speculated t…
Cuspy and fractured black hole shadows in a toy model with axisymmetry
Wei-Liang Qian, Songbai Chen, Cheng-Gang Shao +2
Cuspy shadow was first reported for hairy rotating black holes, whose metrics deviate significantly from the Kerr one. The non-smooth edge of the shadow is attributed to a transiti…