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Cosmological backgrounds of gravitational waves and eLISA/NGO: phase transitions, cosmic strings and other sources

Abstract : We review several cosmological backgrounds of gravitational waves accessible to direct-detection experiments, with a special emphasis on those backgrounds due to first-order phase transitions and networks of cosmic (super-)strings. For these two particular sources, we revisit in detail the computation of the gravitational wave background and improve the results of previous works in the literature. We apply our results to identify the scientific potential of the NGO/eLISA mission of ESA regarding the detectability of cosmological backgrounds.
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http://hal.in2p3.fr/in2p3-00730222
Contributor : Alina Deniau <>
Submitted on : Friday, September 7, 2012 - 11:56:00 PM
Last modification on : Wednesday, October 21, 2020 - 4:32:14 PM

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P. Binétruy, A. Bohé, C. Caprini, J.-F. Dufaux. Cosmological backgrounds of gravitational waves and eLISA/NGO: phase transitions, cosmic strings and other sources. Journal of Cosmology and Astroparticle Physics, Institute of Physics (IOP), 2012, 06, pp.027. ⟨10.1088/1475-7516/2012/06/027⟩. ⟨in2p3-00730222⟩

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