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Constraining AGN Disk Properties with Gravitational Waves from Inspiraling Stellar-Mass Binary Black Holes in Hierarchical Triple Systems
Jie Wu, Mengfei Sun, Jin Li +1
Space-based gravitational-wave detectors can observe stellar-mass binary black holes (BBHs) long before merger, allowing weak environmental perturbations to accumulate. For binarie…
Tests of general relativity using analytic derivatives of parametrized post-Einsteinian gravitational waveforms within the Fisher-matrix framework
Jie Wu, Mengfei Sun, Jin Li
Testing gravity beyond general relativity (GR) is essential for probing fundamental physics in the strong-field and highly dynamical regime accessed by gravitational-wave (GW) obse…
Constraining Kerr supermassive black hole properties using gravitational waves from inspiraling stellar-mass binary black holes
Jie Wu, Jin-Tao Yao, Mengfei Sun +2
We study the capability of future space-based gravitational-wave (GW) detectors to constrain supermassive black hole (SMBH) properties through observations of inspiraling stellar-m…
Probing globular clusters using modulated gravitational waves from binary black holes
Jie Wu, Yao Xiao, Mengfei Sun +1
Globular clusters (GCs) are crucial for studying stellar dynamics and galactic structure, yet precise measurements of their distances and masses are often limited by uncertainties…
Identification of Stochastic Gravitational Wave Backgrounds from Cosmic String Using Machine Learning
Xianghe Ma, Borui Wang, Nan Yang +6
Cosmic strings play a crucial role in enhancing our understanding of the fundamental structure and evolution of the universe, unifying our knowledge of cosmology, and potentially u…
Effect of kick velocity on gravitational wave detection of binary black holes with space- and ground-based detectors
Jie Wu, Mengfei Sun, Xianghe Ma +3
During the coalescence of binary black holes (BBHs), asymmetric gravitational wave (GW) emission imparts a kick velocity to the remnant black hole, affecting observed waveforms and…
Parameter Estimation for Intermediate-Mass Binary Black Holes through Gravitational Waves Observed by DECIGO
Mengfei Sun, Jin Li
With the anticipated launch of space-based gravitational wave detectors, including LISA, TaiJi, TianQin, and DECIGO, expected around 2030, the detection of gravitational waves gene…