J C N de Araujo et al 2002 Class. Quantum Grav. 19 1335 doi:10.1088/0264-9381/19/7/315
Background of gravitational waves from pre-galactic black hole formation
J C N de Araujo, O D Miranda and O D Aguiar
Show affiliationsWe study the generation of a gravitational wave (GW) background produced from a population of core-collapse supernovae, which form black holes in scenarios of structure formation of the Universe. We obtain, for example, that a pre-galactic population of black holes, formed at redshifts z 
30–10, could generate a stochastic GW background with a maximum amplitude of hBG 10−24 in the frequency band νobs 30–470 Hz (considering a maximum efficiency of generation of GWs, namely, εGW = 7 × 10−4). In particular, we discuss what astrophysical information could be obtained from a positive, or even a negative, detection of such a GW background produced in scenarios such as those studied here. One of them is the possibility of obtaining the initial and final redshifts of the emission period from the observed spectrum of GWs.
- PACS
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04.30.Db Wave generation and sources
- MSC
- Subjects
- Dates
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Issue 7 (7 April 2002)
Received 2 October 2001, in final form 24 January 2002
Published 11 March 2002
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Background of gravitational waves from pre-galactic black hole formation
J C N de Araujo et al 2002 Class. Quantum Grav. 19 1335
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