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Short-duration gamma-ray bursts (SGRBs) are widely believed to be powered by the mergers of compact binaries, such as binary neutron stars or possibly neutron star-black hole binaries. Though the prospect of detecting SGRBs with…

高能天体物理现象 · 物理学 2016-08-12 Xiang Li , Yi-Ming Hu , Yi-Zhong Fan , Da-Ming Wei

The detection of gravitational-wave signals from coalescing eccentric binary black holes would yield unprecedented information about the formation and evolution of compact binaries in specific scenarios, such as dynamical formation in dense…

广义相对论与量子宇宙学 · 物理学 2021-06-09 Yoshinta Setyawati , Frank Ohme

This review is focused on tests of Einstein's theory of General Relativity with gravitational waves that are detectable by ground-based interferometers and pulsar timing experiments. Einstein's theory has been greatly constrained in the…

广义相对论与量子宇宙学 · 物理学 2015-06-15 Nicolas Yunes , Xavier Siemens

The observed binary black hole (BBH) mergers indicate a large Galactic progenitor population continuously evolving from large orbital separations and low gravitational wave (GW) frequencies to the final merger phase. We investigate the…

高能天体物理现象 · 物理学 2019-04-19 Xiao Fang , Todd A. Thompson , Christopher M. Hirata

The current gravitational wave detectors have reached their operational sensitivity and are nearing detection of compact object binaries. In the coming years, we expect that the Advanced LIGO/VIRGO will start taking data. At the same time,…

宇宙学与河外天体物理 · 物理学 2015-05-20 I. Kowalska , T. Bulik , K. Belczynski , M. Dominik , D. Gondek-Rosinska

Dipole-radiation-like deviations from general relativity are most prominent during the early inspiral of compact binaries, making space-ground multiband observations a potential probe of such effects. In the same regime, orbital…

广义相对论与量子宇宙学 · 物理学 2026-05-01 Han Wang , Lijing Shao

A likely source of a gravitational-wave background (GWB) in the frequency band of the Advanced LIGO, Virgo and KAGRA detectors is the superposition of signals from the population of unresolvable stellar-mass binary-black-hole (BBH) mergers…

广义相对论与量子宇宙学 · 物理学 2023-05-24 Jessica Lawrence , Kevin Turbang , Andrew Matas , Arianna I. Renzini , Nick van Remortel , Joseph D. Romano

We outline the eccentricity evolution of sub-parsec massive black hole binaries (MBHBs) forming in galaxy mergers. In both stellar and gaseous environments, MBHBs are expected to grow large orbital eccentricities before they enter the…

宇宙学与河外天体物理 · 物理学 2015-06-03 Constanze Roedig , Alberto Sesana

The detection of gravitational waves (GWs) from binary black holes (BBHs) has allowed the theory of general relativity to be tested in a previously unstudied regime: that of strong curvature and high GW luminosities. One distinctive and…

高能天体物理现象 · 物理学 2020-04-29 Oliver M. Boersma , David A. Nichols , Patricia Schmidt

Recent observations support the hypothesis that a large fraction of "short-hard" gamma-ray bursts (SHBs) are associated with compact binary inspiral. Since gravitational-wave (GW) measurements of well-localized inspiraling binaries can…

宇宙学与河外天体物理 · 物理学 2010-11-23 Samaya Nissanke , Daniel E. Holz , Scott A. Hughes , Neal Dalal , Jonathan L. Sievers

Joint gravitational-wave detections of stellar-mass black-hole binaries by ground- and space-based observatories will provide unprecedented opportunities for fundamental physics and astronomy. We present a semianalytic method to estimate…

Many gravitational wave (GW) sources are expected to have non-negligible eccentricity in the millihertz band. These highly eccentric compact object binaries may commonly serve as a progenitor stage of GW mergers, particularly in dynamical…

高能天体物理现象 · 物理学 2026-05-28 Zeyuan Xuan , Smadar Naoz , Bence Kocsis , Erez Michaely

We characterize the expected statistical errors with which the parameters of black-hole binaries can be measured from gravitational-wave (GW) observations of their inspiral, merger and ringdown by a network of second-generation ground-based…

广义相对论与量子宇宙学 · 物理学 2016-12-07 Archisman Ghosh , Walter Del Pozzo , Parameswaran Ajith

In the era of second generation ground-based gravitational wave detectors, short gamma-ray bursts (GRBs) will be among the most promising astrophysical events for joint electromagnetic and gravitational wave observation. A targeted search…

广义相对论与量子宇宙学 · 物理学 2014-12-31 A. R. Williamson , C. Biwer , S. Fairhurst , I. W. Harry , E. Macdonald , D. Macleod , V. Predoi

Data from gravitational-wave (GW) detectors often contains a high rate of non-Gaussian transient noise, known as glitches. The parameters estimated from GW signals coinciding with detector glitches are occasionally biased away from their…

Dynamically assembled binary black holes are expected to retain measurable orbital eccentricity in the LIGO-Virgo-KAGRA band, but most parameter estimation analyses still assume quasi-circular inspirals. This raises a critical question: how…

广义相对论与量子宇宙学 · 物理学 2026-03-04 Tamal RoyChowdhury , V. Gayathri , Rossella Gamba , Shubhagata Bhaumik , Imre Bartos , Jolien Creighton

Compact object binaries formed from dynamics interactions will generically have non-zero orbital eccentricity. The gravitational waves from such binaries can change drastically depending on how large the eccentricity is, ranging from…

广义相对论与量子宇宙学 · 物理学 2021-08-31 Nicholas Loutrel

Gravitational wave (GW) signals from compact binary coalescences can be used as standard sirens to constrain cosmological parameters if their redshift can be measured independently. However, mergers of stellar binary black holes (BBHs) may…

宇宙学与河外天体物理 · 物理学 2022-02-01 Ju Chen , Changshuo Yan , Youjun Lu , Yuetong Zhao , Junqiang Ge

We present a reanalysis of 17 gravitational-wave events detected with Advanced LIGO and Advanced Virgo in their first three observing runs, using the new IMRPhenomTEHM model -- a phenomenological time-domain multipolar waveform model for…

广义相对论与量子宇宙学 · 物理学 2026-01-15 Maria de Lluc Planas , Antoni Ramos-Buades , Cecilio García-Quirós , Héctor Estellés , Sascha Husa , Maria Haney

We study the sensitivity required for a future space-based detector to search for beyond general relativity effect in gravitational wave detection. To do this, we use the current design of TianQin, LISA, and $\mu$Ares as starting points,…

广义相对论与量子宇宙学 · 物理学 2026-03-18 Tangchao Zhan , Changfu Shi , Shuo Sun , Jianwei Mei