We have tested the inverse-square law of gravitation with a low-frequency dynamic field method in a distance range R=0.1–0.3 m. Assuming a potential of the form 1/$R^{1+\delta }$, we obtain δ=(-0.7±2.9)×${10}^{\mathrm{-}3}$. .AE

• Received 22 March 1985

DOI:https://doi.org/10.1103/PhysRevD.32.342