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  Stochastic and resolvable gravitational waves from ultralight bosons

Brito, R., Ghosh, S., Barausse, E., Berti, E., Cardoso, V., Dvorkin, I., et al. (2017). Stochastic and resolvable gravitational waves from ultralight bosons. Physical Review Letters, 119: 131101. doi:10.1103/PhysRevLett.119.131101.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-8CA6-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-07CA-9
Genre: Journal Article

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1706.05097.pdf (Preprint), 606KB
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 Creators:
Brito, Richard1, Author
Ghosh, Shrobana, Author
Barausse, Enrico, Author
Berti, Emanuele, Author
Cardoso, Vitor, Author
Dvorkin, Irina, Author
Klein, Antoine, Author
Pani, Paolo, Author
Affiliations:
1AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, escidoc:24008              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc, Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE,High Energy Physics - Phenomenology, hep-ph,High Energy Physics - Theory, hep-th
 Abstract: Ultralight scalar fields around spinning black holes can trigger superradiant instabilities, forming a long-lived bosonic condensate outside the horizon. We use numerical solutions of the perturbed field equations and astrophysical models of massive and stellar-mass black hole populations to compute, for the first time, the stochastic gravitational-wave background from these sources. The background is observable by Advanced LIGO and LISA for field masses $m_s$ in the range $[2\times 10^{-13}, 10^{-12}]\,{\rm eV}$ and $[5\times 10^{-19}, 5\times 10^{-16}]\,{\rm eV}$, respectively, and it can affect the detectability of resolvable sources. Our estimates suggest that current constraints on the stochastic background from LIGO O1 may already exclude masses in the Advanced LIGO window. Semicoherent searches with Advanced LIGO (LISA) should detect $\sim 15~(5)$ to $200~(40)$ resolvable sources for scalar field masses $3\times 10^{-13}$ ($10^{-17}$) eV. LISA measurements of massive BH spins could either rule out bosons in the range $[10^{-18}, 1.6\times 10^{-13}]$ eV, or measure $m_s$ with ten percent accuracy in the range $[10^{-17}, 10^{-13}]$ eV.

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 Dates: 2017-06-152017
 Publication Status: Published in print
 Pages: 6 pages, 4 Figures
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 Rev. Method: -
 Identifiers: arXiv: 1706.05097
URI: http://arxiv.org/abs/1706.05097
DOI: 10.1103/PhysRevLett.119.131101
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 119 Sequence Number: 131101 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/954925433406_1