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A compact differential gravimeter at the quantum projection noise limit
[article]
2022
arXiv
pre-print
Atom interferometry offers new perspectives for geophysics and inertial sensing. We present the industrial prototype of a new type of quantum-based instrument: a compact, transportable, differential quantum gravimeter capable of measuring simultaneously the absolute values of both gravitational acceleration, g, and its vertical gradient, Γ_zz. While the sensitivity to g is competitive with the best industrial gravimeters, the sensitivity on Γ_zz reaches the limit set by quantum projection
arXiv:2201.03345v1
fatcat:pp6crlgmufbnjbgvrwsk4c23be