Micro-Gal level gravity measurements with cold atom interferometry*
Zhou Min-Kang, Duan Xiao-Chun, Chen Le-Le, Luo Qin, Xu Yao-Yao, Hu Zhong-Kun†
       
(a) The two-MOT atom gradiometer achieved by Mark Kasevich at Stanford.[ 11 ] (b) The jugging fountain atom gradiometer at Firenze.[ 89 ] (c) The dual-fringe locking atomic gradiometer at HUST;[ 48 ] the magnetic field produced by coils is used to make additional feedback.