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The Science and Detection of Gravitational Waves

Author: Barry C. Barish
Journal: Iraqi Journal of Applied Physics المجلة العراقية للفيزياء التطبيقية ISSN: 18132065 23091673 Year: 2017 Volume: 13 Issue: 4 Pages: 13-23
Publisher: iraqi society for alternative and renewable energy sources and techniques الجمعية العراقية لمصادر وتقنيات الطاقة البديلة والمستجدة


One of the most important consequences of the Theory of General Relativity is the concept of gravitational waves. As we enter the new millennium, a new generation of detectors sensitive enough to directly detect such waves will become operational. Detectable events could originate from a variety of catastrophic events in the distant universe, such as the gravitational collapse of stars or the coalescence of compact binary systems. In these two lectures, I discuss both the astrophysical sources of gravitational waves and the detection technique and challenges using suspended mass interferometry. Finally, I summarize the status and plans for the Laser Interferometer Gravitational-wave Observatory (LIGO) and the other large new detectors.

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