English
Related papers

Related papers: Stochastic gravitational wave background: methods …

200 papers

Modeling the stochastic gravitational wave background from various astrophysical sources is a key objective in view of upcoming observations with ground- and space-based gravitational wave observatories such as Advanced LIGO, VIRGO, eLISA…

High Energy Astrophysical Phenomena · Physics 2016-12-07 Irina Dvorkin , Jean-Philippe Uzan , Elisabeth Vangioni , Joseph Silk

The formation of merging binary black holes can occur through multiple astrophysical channels such as, e.g., isolated binary evolution and dynamical formation or, alternatively, have a primordial origin. Increasingly large…

Cosmology and Nongalactic Astrophysics · Physics 2022-04-13 Simone S. Bavera , Gabriele Franciolini , Giulia Cusin , Antonio Riotto , Michael Zevin , Tassos Fragos

Gravitational waves are perturbations in the spacetime that propagate at the speed of light. The study of such phenomenon is interesting because many cosmological processes and astrophysical objects, such as binary systems, are potential…

Cosmology and Nongalactic Astrophysics · Physics 2015-04-27 E. F. D. Evangelista , J. C. N. de Araujo

The Advanced LIGO and Advanced Virgo detectors have commenced observations. Gravitational waves from the merger of binary black hole systems and a binary neutron star system have been observed. A major goal for LIGO and Virgo is to detect…

General Relativity and Quantum Cosmology · Physics 2019-08-30 Nelson Christensen

We describe a novel approach to the detection and parameter estimation of a non\textendash Gaussian stochastic background of gravitational waves. The method is based on the determination of relevant statistical parameters using importance…

General Relativity and Quantum Cosmology · Physics 2023-08-22 Riccardo Buscicchio , Anirban Ain , Matteo Ballelli , Giancarlo Cella , Barbara Patricelli

We review detection methods that are currently in use or have been proposed to search for a stochastic background of gravitational radiation. We consider both Bayesian and frequentist searches using ground-based and space-based laser…

General Relativity and Quantum Cosmology · Physics 2017-04-11 Joseph D. Romano , Neil J. Cornish

A world-wide effort is now underway to build gravitational wave detectors based on highly-sensitive laser interferometers. When data from detectors at different sites is properly combined, it will permit highly-sensitive searches for a…

General Relativity and Quantum Cosmology · Physics 2009-08-21 Bruce Allen

The detection of gravitational waves from the merger of binary black holes by the LIGO Collaboration has opened a new window to astrophysics. With the sensitivities of ground based detectors in the coming years we can only detect the local…

High Energy Astrophysical Phenomena · Physics 2017-06-28 Ilias Cholis

The detection of gravitational waves (GWs) has led to a deeper understanding of binaries of ordinary astrophysical objects, including neutron stars and black holes. In this work, we point out that binary systems may also exist in a dark…

Cosmology and Nongalactic Astrophysics · Physics 2023-12-22 Yang Bai , Sida Lu , Nicholas Orlofsky

Several mechanisms exist for generating a stochastic background of gravitational waves in the period following inflation. These mechanisms are generally classical in nature, with the gravitational waves being produced from inhomogeneities…

Astrophysics · Physics 2008-11-26 Larry R. Price , Xavier Siemens

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…

Cosmology and Nongalactic Astrophysics · Physics 2015-04-17 E. F. D. Evangelista , J. C. N. de Araujo

We estimate the stochastic gravitational-wave background arising from all stellar core-collapse events in the universe based on the gravitational-wave signal predictions of recent numerical simulations. We focus on waveforms from slowly or…

General Relativity and Quantum Cosmology · Physics 2022-03-30 Bella Finkel , Haakon Andresen , Vuk Mandic

Stochastic gravitational-wave backgrounds can be of either cosmological or astrophysical origin. The detection of an astrophysical stochastic gravitational-wave background with ground-based interferometers is expected in the near future.…

General Relativity and Quantum Cosmology · Physics 2024-10-01 Haowen Zhong , Bei Zhou , Luca Reali , Emanuele Berti , Vuk Mandic

Gravitational wave memory is an important prediction of general relativity, which has not been detected yet. Amounts of memory events can form a stochastic gravitational wave memory background. Here we find that memory background can be…

General Relativity and Quantum Cosmology · Physics 2022-12-12 Zhi-Chao Zhao , Zhoujian Cao

Recent observations of gravitational waves from binary black holes and neutron stars allow us to probe the strong and dynamical field regime of gravity. On the other hand, a collective signal from many individual, unresolved sources results…

General Relativity and Quantum Cosmology · Physics 2021-10-08 Alexander Saffer , Kent Yagi

The gravitational wave radiation emitted by all, resolved and unresolved, astrophysical sources in the observable universe generates a stochastic background. This background has a directional dependence inherited from the inhomogeneities of…

Cosmology and Nongalactic Astrophysics · Physics 2018-06-27 Giulia Cusin , Cyril Pitrou , Jean-Philippe Uzan

Primordial gravitational waves are expected to create a stochastic background encoding information about the early Universe that may not be accessible by other means. However, the primordial background is obscured by an astrophysical…

High Energy Astrophysical Phenomena · Physics 2020-12-11 Sylvia Biscoveanu , Colm Talbot , Eric Thrane , Rory Smith

Stochastic gravitational wave background produced by a stationary coalescing population of binary neutron stars in the Galaxy is calculated. This background is found to constitute a confusion limit within the LISA frequency band up to a…

Astrophysics · Physics 2009-11-06 V. B. Ignatiev , A. G. Kuranov , K. A. Postnov , M. E. Prokhorov

Gravitational waves are a unique probe of the early Universe, as the Universe is transparent to gravitational radiation right back to the end of inflation. In this article, we summarise detection prospects and the wide scope of primordial…

High Energy Physics - Phenomenology · Physics 2024-09-09 Rishav Roshan , Graham White

The first generation of gravitational wave interferometric detectors has taken data at, or close to, their design sensitivity. This data has been searched for a broad range of gravitational wave signatures. An overview of gravitational wave…

General Relativity and Quantum Cosmology · Physics 2011-01-28 Stephen Fairhurst , Gianluca M Guidi , Patrice Hello , John T Whelan , Graham Woan