Abstract:GINGER (Gyroscopes IN General Relativity) is a proposal for measuring the Lense-Thirring effect using an array of ring laser-gyroscopes. Those are, nowadays, the most sensitive inertial sensors to measure the rotation rate of the Earth. The Lense-Thirring contribution to the Earth gravitational field marks itself as a tiny DC perturbation onto Ω, the Earth rotation rate. Its magnitude is 10 −9 × Ω so that to be able to discriminate it a very high sensitivity and long measurement times in order to move toward l… Show more
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