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  Properties of the stochastic astrophysical gravitational wave background: astrophysical sources dependencies

Cusin, G., Dvorkin, I., Pitrou, C., & Uzan, J.-P. (2019). Properties of the stochastic astrophysical gravitational wave background: astrophysical sources dependencies. Physical Review D, 100(6): 063004. doi:10.1103/PhysRevD.100.063004.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-9F21-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-D7E1-B
Genre: Journal Article

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 Creators:
Cusin, Giulia, Author
Dvorkin, I.1, Author              
Pitrou, Cyril, Author
Uzan, Jean-Philippe, Author
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              

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Free keywords: Astrophysics, Cosmology and Extragalactic Astrophysics, astro-ph.CO, Astrophysics, Galaxy Astrophysics, astro-ph.GA
 Abstract: This article explores the properties (amplitude and shape) of the angular power spectrum of the anisotropies of the astrophysical gravitational wave background (AGWB) focusing on the signatures of the astrophysical models describing sub-galactic physics. It demonstrates that while some parameters have negligible impact others, and in particular the stellar evolution models, the metallicity and the merger time delay distribution can result in relative differences of order 40% in the angular power spectrum of anisotropies in both the LIGO/Virgo and LISA frequency bands. It is also shown that the monopole and the anisotropic components of the AGWB are complementary and sensitive to different astrophysical parameters. It follows that AGWB anisotropies are a new observable with the potential to provide new astrophysical information that can not be accessed otherwise.

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 Dates: 2019-04-162019-04-282019
 Publication Status: Published in print
 Pages: 24 pages, 19 figures
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1904.07797
URI: http://arxiv.org/abs/1904.07797
DOI: 10.1103/PhysRevD.100.063004
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Title: Physical Review D
Source Genre: Journal
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Pages: - Volume / Issue: 100 (6) Sequence Number: 063004 Start / End Page: - Identifier: -