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Scientists Find Way to Overcome Quantum Limit in GWDs

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COPENHAGEN, Sept. 7, 2018 — Researchers at the Neils Bohr Institute (NBI) at the University of Copenhagen are developing equipment that will enable gravitational wave detectors (GWDs) to monitor and carry out measurements in an eight times bigger volume of space than what is currently possible. The work to improve the sensitivity of GWDs is based on the team’s previous observations about Quantum Back Action (QBA), a phenomenon that occurs when a light is shined on an object, leading to the object being ‘kicked’ in random directions by photons. QBA can limit the accuracy with which measurements...Read full article

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