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We analyse the stochastic background of gravitational radiation emitted by a cosmological population of core-collapse supernovae. The supernova rate as a function of redshift is deduced from an observation-based determination of the star…

Astrophysics · Physics 2009-10-30 Valeria Ferrari , Sabino Matarrese , Raffaella Schneider

Stellar core collapse events are expected to produce gravitational waves via several mechanisms, most of which are not yet fully understood due to the current limitations in the numerical simulations of these events. In this paper, we begin…

Cosmology and Nongalactic Astrophysics · Physics 2017-04-05 Kyle Crocker , Tanner Prestegard , Vuk Mandic , Tania Regimbau , Keith Olive , Elisabeth Vangioni

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

Superposition of gravitational waves generated by astrophysical sources is expected to give rise to the stochastic gravitational-wave background. We focus on the background generated by the ring-down of black holes produced in the stellar…

General Relativity and Quantum Cosmology · Physics 2015-09-16 K. Crocker , V. Mandic , T. Regimbau , K. Belczynski , W. Gladysz , K. Olive , T. Prestegard , E. Vangioni

Hydrodynamic turbulence driven by crust-core differential rotation imposes a fundamental noise floor on gravitational wave observations of neutron stars. The gravitational wave emission peaks at the Kolmogorov decoherence frequency which,…

High Energy Astrophysical Phenomena · Physics 2015-06-15 Paul D. Lasky , Mark F. Bennett , Andrew Melatos

This paper presents an estimate for the spectral properties of the stochastic background of gravitational waves emitted by a population of hot, young, rapidly rotating neutron stars throughout the Universe undergoing $f$-mode instabilities,…

Cosmology and Nongalactic Astrophysics · Physics 2016-02-03 Marco Surace , Kostas D. Kokkotas , Pantelis Pnigouras

In massive scalar-tensor gravity, core-collapse supernovae are strong sources of scalar-polarized gravitational waves. These can be detectable out to large distance. The dispersive nature of the propagation of waves in the massive scalar…

General Relativity and Quantum Cosmology · Physics 2023-07-10 Roxana Rosca-Mead , Michalis Agathos , Christopher J. Moore , Ulrich Sperhake

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

We estimate the spectral properties of the stochastic background of gravitational radiation emitted by a cosmological population of hot, young, rapidly rotating neutron stars. Their formation rate as a function of redshift is deduced from…

Astrophysics · Physics 2009-10-30 Valeria Ferrari , Sabino Matarrese , Raffaella Schneider

We have computed the gravitational wave signal from supernova core collapse using the presently most realistic input physics available. We start from state-of-the-art progenitor models of rotating and non-rotating massive stars, and…

Astrophysics · Physics 2009-11-10 Ewald Mueller , Markus Rampp , Robert Buras , H. -Thomas Janka , David H. Shoemaker

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

We revisit the possibility and detectability of a stochastic gravitational wave background (SGWB) produced by a cosmological population of newborn neutron stars (NSs) with r-mode instabilities. We show that the resultant SGWB is insensitive…

Cosmology and Nongalactic Astrophysics · Physics 2011-03-18 Xing-Jiang Zhu , Xi-Long Fan , Zong-Hong Zhu

Detecting a stochastic gravitational wave background requires that we first understand and model any astrophysical foregrounds. In the millihertz frequency band, the predominate foreground signal will be from unresolved white dwarf binaries…

General Relativity and Quantum Cosmology · Physics 2014-01-23 Matthew R. Adams , Neil J. Cornish

The upper limit on the energy density of a stochastic gravitational wave (GW) background obtained from the two-year science run (S5) of the Laser Interferometer Gravitational-wave Observatory (LIGO) is used to constrain the average GW…

General Relativity and Quantum Cosmology · Physics 2010-11-19 Xing-Jiang Zhu , Eric Howell , David Blair

A stochastic background of gravitational waves is expected to arise from a superposition of a large number of unresolved gravitational-wave sources of astrophysical and cosmological origin. It is expected to carry unique signatures from the…

Cosmology and Nongalactic Astrophysics · Physics 2012-08-27 The LIGO Scientific Collaboration , the Virgo Collaboration

A stochastic background of gravitational waves can be created by the superposition of a large number of independent sources. The physical processes occurring at the earliest moments of the universe certainly created a stochastic background…

General Relativity and Quantum Cosmology · Physics 2018-11-22 Nelson Christensen

We summarize our current understanding of gravitational wave emission from core-collapse supernovae. We review the established results from multi-dimensional simulations and, wherever possible, provide back-of-the-envelope calculations to…

Solar and Stellar Astrophysics · Physics 2022-04-05 Ernazar Abdikamalov , Giulia Pagliaroli , David Radice

We study the generation of a stochastic gravitational wave (GW) background produced by a population of neutron stars (NSs) which go over a hadron-quark phase transition in its inner shells. We obtain, for example, that the NS phase…

General Relativity and Quantum Cosmology · Physics 2009-10-05 J. C. N. de Araujo , G. F. Marranghello

We study the generation of a stochastic gravitational wave (GW) background produced from a population of core-collapse supernovae, which form black holes in scenarios of structure formation. We obtain, for example, that the formation of a…

Astrophysics · Physics 2009-11-07 J. C. N. de Araujo , O. D. Miranda , O. D. Aguiar

The collapse of massive stars not only produces observable outbursts across the entire electromagnetic spectrum but, for Galactic (or near-Galactic) supernovae, detectable signals for ground-based neutrino and gravitational wave detectors.…

Astrophysics · Physics 2011-05-12 Chris L. Fryer , Daniel E. Holz , Scott A. Hughes
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