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Recent developments in deep learning techniques have offered an alternative and complementary approach to traditional matched filtering methods for the identification of gravitational wave (GW) signals. The rapid and accurate identification…

广义相对论与量子宇宙学 · 物理学 2024-11-06 Yu-Xin Wang , Shang-Jie Jin , Tian-Yang Sun , Jing-Fei Zhang , Xin Zhang

coherent WaveBurst (cWB) is a highly configurable pipeline designed to detect a broad range of gravitational-wave (GW) transients in the data of the worldwide network of GW detectors. The algorithmic core of cWB is a time-frequency analysis…

Next generation detectors, such as LISA, LGWA, and ET will, for the first time, probe the high redshift Universe, offering unique insight into the birth, growth, and dynamics of the first black holes (BHs) during their earliest stages…

The improvements in the sensitivity of the gravitational wave (GW) network enable the detection of several large redshift GW sources by third-generation GW detectors. These advancements provide an independent method to probe the large-scale…

宇宙学与河外天体物理 · 物理学 2022-02-02 Xiaoyun Shao , Zhoujian Cao , Xilong Fan , Shichao Wu

Gravitational waves (GWs) from binary black hole (BBH) mergers provide a new probe of massive-star evolution and the formation channels of binary compact objects. By coupling the growing sample of BBH systems with population synthesis…

高能天体物理现象 · 物理学 2017-09-11 Michael Zevin , Chris Pankow , Carl L. Rodriguez , Laura Sampson , Eve Chase , Vassiliki Kalogera , Frederic A. Rasio

Gravitational wave searches rely on a combination of methods, including matched filtering, coherent analyses, and more recent machine learning based pipelines. For compact binary coalescences, where signals originate from the relativistic…

广义相对论与量子宇宙学 · 物理学 2026-03-11 Lorenzo Mobilia , Tito Dal Canton , Gianluca Maria Guidi

Gravitational waves (GWs) from binary neutron stars (BNSs) offer valuable understanding of the nature of compact objects and hadronic matter, and the science potential will be greatly enhanced by the third-generation (3G) GW detectors,…

广义相对论与量子宇宙学 · 物理学 2025-07-02 Qian Hu , Jessica Irwin , Qi Sun , Christopher Messenger , Lami Suleiman , Ik Siong Heng , John Veitch

In the study of gravitational waves (GWs), the stochastic background generated by compact binary systems are among the most important kinds of signals. The reason for such an importance has to do with their probable detection by the…

宇宙学与河外天体物理 · 物理学 2015-04-17 E. F. D. Evangelista , J. C. N. de Araujo

As gravitational-wave (GW) observations of binary black holes are becoming a precision tool for physics and astronomy, several subdominant effects in the GW signals need to be accurately modeled. Previous studies have shown that neglecting…

广义相对论与量子宇宙学 · 物理学 2019-07-22 Ajit Kumar Mehta , Praveer Tiwari , Nathan K. Johnson-McDaniel , Chandra Kant Mishra , Vijay Varma , Parameswaran Ajith

The first detection of a gravitational-wave (GW) signal in 2015 has opened a new observational window to probe the universe. This probe can not only reveal previously inaccessible binaries, black holes, and other compact objects, but also…

地球与行星天体物理 · 物理学 2025-11-12 Wen-Long Guo , Li-Ming Zheng , Zhengxiang Li , Zong-Hong Zhu

Gravitational Waves (GWs) are tiny ripples in the fabric of space-time predicted by Einstein's General Relativity. Pulsar timing arrays (PTAs) are well poised to detect low frequency ($10^{-9}$ -- $10^{-7}$ Hz) GWs in the near future. There…

天体物理仪器与方法 · 物理学 2015-06-04 J. A. Ellis , F. A. Jenet , M. A. McLaughlin

Third generation gravitational-wave (GW) detectors are expected to detect a large number of binary black holes (BBHs) to large redshifts, opening up an independent probe of the large scale structure using their clustering. This probe will…

宇宙学与河外天体物理 · 物理学 2023-11-14 Aditya Vijaykumar , M. V. S. Saketh , Sumit Kumar , Parameswaran Ajith , Tirthankar Roy Choudhury

Gravitational wave (GW) memory is an important prediction of general relativity. Existing works on the GW memory detection focus on the waveform analysis. It is hard for waveform analysis method to detect the GW memory due to its…

广义相对论与量子宇宙学 · 物理学 2021-11-30 Zhi-Chao Zhao , Xiaolin Liu , Zhoujian Cao , Xiaokai He

With the discovery of the binary black hole coalescence GW150914, the era of gravitational-wave astrophysics has started. Gravitational-wave signals emitted by compact binary coalescences will be detected in large number by LIGO and Virgo…

广义相对论与量子宇宙学 · 物理学 2017-03-15 Salvatore Vitale , Ryan Lynch , Riccardo Sturani , Philip Graff

This work introduces advanced computational techniques for modeling the time evolution of compact binary systems using machine learning. The dynamics of compact binary systems, such as black holes and neutron stars, present significant…

宇宙学与河外天体物理 · 物理学 2024-10-08 Jianqi Yan , Junjie Luo , Yifan Zeng , Alex P. Leung , Jie Feng , Hong-Hao Zhang , Weipeng Lin

We present a python based parameter inference system for the gravitational wave (GW) measured in the millihertz band. This system includes the following features: the GW waveform originated from the massive black hole binaries (MBHB), the…

天体物理仪器与方法 · 物理学 2023-07-05 Renjie Wang , Bin Hu

The Laser Interferometer Gravitational-Wave Observatory (LIGO) and Virgo Interferometer Collaborations have now detected all three classes of compact binary mergers: binary black hole (BBH), binary neutron star (BNS), and neutron star-black…

天体物理仪器与方法 · 物理学 2023-03-20 Richard Qiu , Plamen Krastev , Kiranjyot Gill , Edo Berger

Gravitational wave (GW) detection is now commonplace and as the sensitivity of the global network of GW detectors improves, we will observe $\mathcal{O}(100)$s of transient GW events per year. The current methods used to estimate their…

天体物理仪器与方法 · 物理学 2022-01-21 Hunter Gabbard , Chris Messenger , Ik Siong Heng , Francesco Tonolini , Roderick Murray-Smith

This paper reviews gravitational wave sources and their detection. One of the most exciting potential sources of gravitational waves are coalescing binary black hole systems. They can occur on all mass scales and be formed in numerous ways,…

Next-generation ground-based gravitational-wave (GW) detectors are expected to detect millions of binary black hole mergers during their operation period. A small fraction ($\sim 0.1 - 1\%$) of them will be strongly lensed by intervening…

宇宙学与河外天体物理 · 物理学 2024-08-13 Souvik Jana , Shasvath J. Kapadia , Tejaswi Venumadhav , Surhud More , Parameswaran Ajith