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ID: 403638.0, MPI für Gravitationsphysik / Observational Relativity and Cosmology
Using gravitational lenses to detect gravitational waves
Authors:Allen, Bruce
Date of Publication (YYYY-MM-DD):1990-12
Title of Journal:General Relativity and Gravitation
Volume:22
Issue / Number:12
Start Page:1447
End Page:1455
Review Status:not specified
Audience:Not Specified
Abstract / Description:Gravitational lenses could be used to detect gravitational waves, because a gravitational wave affects the travel-time of a light ray. In a gravitational lens, this effect produces time-delays between the different images. Thus the bending of light, which was the first experimental confirmation of Einstein's theory, can be used to search for gravitational waves, which are the most poorly confirmed aspect of that same theory. Applying this method to the gravitational lens 0957+561 gives new upper bounds on the amplitude of low-frequency gravitational waves in the universe, and new limits on the energy-density during an early ldquoinflationaryrdquo phase.
External Publication Status:published
Document Type:Article
Communicated by:Bruce Allen
Affiliations:MPI für Gravitationsphysik/Teilinstitut Hannover
MPI für Gravitationsphysik/Observational Relativity and Cosmology
External Affiliations:Department of Physics, University of Wisconsin–Milwaukee, P.O. Box 413, Milwaukee, Wisconsin 53201, USA
Identifiers:ISSN:1572-9532
DOI:10.1007/BF00756842
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