Detection of Gravitational Waves from Inspiraling Compact Binaries

The 1993 Nobel prize for physics was awarded to Hulse and Taylor for the proof of existence of gravitational waves. This was based on the observations of the binary pulsar PSR 1913+16 which showed a decay in its orbit. This decay is correctly predicted by the general theory of relativity and provides indirect evidence for the existence of gravitational waves. Direct evidence however is lacking and may not be provided until advanced ultra high sensitivity resonant bar detectors and large scale laser interferometric detectors [1, 2] are completed. This network of detectors would not only detect gravitational waves but perform as directionally sensitive gravitational wave observatories.

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