Concept study of measuring gravitational constant using superconducting gravity gradiometer
Bian Xing1, 2, †, Paik Ho Jung2, Moody Martin Vol3
       

(color online) (a) Gravity field versus x and y. (b) Gravity field versus x and z. (c) Gravity gradient at TM positions P1 and P2. (d) Gravity field at TM positions P1 and P2.