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A Practical Theorem on Gravitational Wave Backgrounds

Phinney, E. S. (2001) A Practical Theorem on Gravitational Wave Backgrounds. . (Submitted)

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There is an extremely simple relationship between the spectrum of the gravitational wave background produced by a cosmological distribution of discrete gravitational wave sources, the total time-integrated energy spectrum of an individual source, and the present-day comoving number density of remnants. Stated in this way, the background is entirely independent of the cosmology, and only weakly dependent on the evolutionary history of the sources. This relationship allows one easily to compute the amplitude and spectrum of cosmic gravitational wave backgrounds from a broad range of astrophysical sources, and to evaluate the uncertainties therein.

Item Type:Report or Paper (Discussion Paper)
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Additional Information:This work was supported in part by NASA grants NAG5-7034 and NAG5-10707.
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Subject Keywords:gravitational waves – diffuse radiation – binaries: close – black hole physics – relativity
Record Number:CaltechAUTHORS:20190304-102533751
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:93429
Deposited By: Tony Diaz
Deposited On:04 Mar 2019 18:30
Last Modified:03 Oct 2019 20:54

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