Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2009-08-03
Phys.Rev.D80:044009,2009
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
27 pages, 9 figures. Accepted for publication in Physical Review D
Scientific paper
10.1103/PhysRevD.80.044009
Gravitational waves propagate along null geodesics like light rays in the geometrical optics approximation, and they may have a chance to suffer from gravitational lensing by intervening objects, as is the case for electromagnetic waves. Long wavelength of gravitational waves and compactness of possible sources may enable us to extract information in the interference among the lensed images. We point out that the interference term contains information of relative transverse velocity of the source-lens-observer system, which may be obtained by possible future space-borne gravitational wave detectors such as BBO/DECIGO.
Futamase Toshifumi
Hattori Makoto
Itoh Yousuke
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