New apparatus design for high-precision measurement ofG with atom interferometry
M. Jain,
G. M. Tino,
L. Cacciapuoti
et al.
Abstract:We propose a new scheme for an improved determination of the Newtonian gravitational constant G and evaluate it by numerical simulations. Cold atoms in free fall are probed by atom interferometry measurements to characterize the gravitational field generated by external source masses. Two source mass configurations having different geometry and using different materials are compared to identify an optimized experimental setup for the G measurement. The effects of the magnetic fields used to manipulate the atom… Show more
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