37 citations · 56 across the 19 of their papers we have counts for
21 papers · 1 filter
Beyond circular and equatorial orbits: Bayesian constraint on vector charge with the adiabatic inspirals of generic Kerr geodesics
Tieguang Zi, Genliang Li
Extreme-mass-ratio inspirals (EMRIs) offer a powerful probe of additional fundamental fields through their cumulative influence on gravitational-wave phases. However, modeling vect…
Extreme mass-ratio inspirals around rotating accelerating black holes
Xin-Dong Du, Tao Zhou, Wei Xiong +2
Extreme mass-ratio inspirals (EMRIs) can magnify small departures from Kerr dynamics into appreciable gravitational-wave phase shifts accumulated over many orbital cycles. We explo…
Constraint on environments with eccentric extreme-mass-ratio inspirals: Bayesian inference and Fisher-matrix for dark-matter spikes
Genliang Li, Tieguang Zi
Extreme-mass-ratio inspirals (EMRIs) provide sensitive probes of the astrophysical environments surrounding massive black holes. We investigate the inference of dark-matter (DM) sp…
Probing near-zone magnetic fields with extreme mass-ratio inspirals
Jin-Lu Hu, Xin-Dong Du, Peng-Cheng Li +1
We investigate whether weak near-zone magnetic fields can leave observable imprints on extreme-mass-ratio inspiral (EMRI) waveforms. The central massive black hole is modeled by th…
Massive scalar fields in eccentric regime: Detectability and constraints from LISA observations of extreme mass-ratio inspirals
Tieguang Zi, Shailesh Kumar, Jun-Kun Zhao +3
Extreme mass-ratio inspirals (EMRIs) are among the most promising sources for future space-based gravitational wave (GW) observatories and provide sensitive probes of additional fu…
Bound-State Resonances of Schwarzschild-de Sitter Black Holes: Analytic Treatment
Qi-Dong Chen, Chong-Bin Chen, Guo-Qing Huang +2
Inspired by Mashhoon's framework connecting black hole quasi-normal modes (QNMs) to bound-state resonances in inverted potentials, Vlkel's recent numerical analysi…
Probing beyond-vacuum general relativistic effects with extreme mass-ratio inspirals
Tieguang Zi, Mostafizur Rahman, Shailesh Kumar
We examine extreme mass-ratio inspirals (EMRIs) as probes of beyond-vacuum general relativistic effects, accounting for both astrophysical environments and scalar Gauss-Bonnet (sGB…
Preliminary forecasting constraint on scalar charge with LISA in non-vacuum environments
Tieguang Zi, Chang-Qing Ye
We compute the gravitational wave signal from eccentric extreme-mass-ratio inspirals (EMRIs) embedded within beyond-vacuum environments, where the secondary object carries a scalar…
Constraint on massive vector field with extreme-mass-ratio inspirals around a slowly rotating black hole
Tieguang Zi, Peng-Cheng Li, Bao-Min Gu +1
We study the influence of a massive vector (Proca) field on the energy fluxes from extreme-mass-ratio inspirals (EMRIs) around a slowly rotating Kerr black hole. The secondary comp…
Eccentric extreme-mass-ratio inspirals: a new window into ultra-light vector fields
Tieguang Zi, Fu-Wen Shu
Space-based gravitational-wave detectors, such as the Laser Interferometer Space Antenna (LISA), provide a platform to probe new fundamental fields through extreme-mass-ratio inspi…
Probing scalar field with generic extreme mass-ratio inspirals around Kerr black holes
Tieguang Zi, Shailesh Kumar
The future space-based gravitational wave observatories are expected to provide unprecedented opportunities to explore intricate characteristics of black hole binaries, particularl…
Extreme mass-ratio inspirals and extra dimensions: Insights from modified Teukolsky framework
Shailesh Kumar, Tieguang Zi, Arpan Bhattacharyya
Extreme mass-ratio inspirals (EMRIs) offer a promising avenue to test extra-dimensional physics through gravitational wave (GW) observations. In this work, we study equatorial ecce…
Imprints of extra dimensions in eccentric extreme-mass-ratio inspirals gravitational waveforms
Shailesh Kumar, Tieguang Zi, Arpan Bhattacharyya
Studies regarding extra-dimensions have been of great interest in modern theoretical physics, including their observational consequences from future gravitational wave (GW) observa…
Gravitational waves from regular black holes in extreme mass-ratio inspirals
Shailesh Kumar, Tieguang Zi
We analyze a rotating regular black hole spacetime with an asymptotically Minkowski core, focusing on extreme mass-ratio inspiral (EMRIs) where a stellar-mass object inspirals a su…
Eccentric extreme mass-ratio inspirals: A gateway to probe quantum gravity effects
Tieguang Zi, Shailesh Kumar
We examine a loop quantum gravity (LQG) inspired rotating black hole, treating it as a central supermassive black hole (SMBH) in an extreme mass-ratio inspiral (EMRI) system, where…
Detecting the massive vector field with extreme mass-ratio inspirals
Tieguang Zi, Chao Zhang
The future space-borne gravitational wave detector, Laser Interferometer Space Antenna (LISA), has the potential of detecting the fundamental fields, such as the charge and mass of…
Gravitational waves from extreme-mass-ratio inspirals in the semiclassical gravity spacetime
Tieguang Zi, Peng-Cheng Li
More recently, Fernandes \cite{Fernandes:2023vux} discovered analytic stationary and axially-symmetric black hole solutions within semiclassical gravity, driven by the trace anomal…
Detecting the tidal heating with the generic extreme-mass-ratio inspirals
Tieguang Zi, Chang-Qing Ye, Peng-Cheng Li
The horizon of a classical black hole (BH), functioning as a one-way membrane, plays a vital role in the dynamic evolution of binary BHs, capable of absorbing fluxes entirely. Tida…
Gravitational waves from extreme mass ratio inspirals around a hairy Kerr black hole
Tieguang Zi, Peng-Cheng Li
Recently, Contreras et al. \cite{Contreras:2021yxe} introduced a new type of black hole, called hairy Kerr black hole (HKBH), which describes a Kerr BH surrounded by an axially sym…
Probing the Tidal Deformability of the Central Object in an Extreme Mass Ratio Inspiral with Analytic Kludge Waveforms
Tieguang Zi, Peng-Cheng Li
We develop approximate ``analytic-kludge" waveforms to describe the inspiral of a stellar-mass compact object into a supermassive compact object in an extreme mass ratio inspiral (…
Analytic Kludge Waveforms for Extreme Mass Ratio Inspirals of Charged Object around Kerr-Newman Black Hole
Tieguang Zi, Ziqi Zhou, Hai-Tian Wang +3
We derive the approximate, ``analytic-kludge'' (AK) waveforms for the inspiral of a charged stellar-mass compact object (CO) into a charged massive Kerr-Newman (KN) black hole (BH)…