Automatic compensation of magnetic field for a rubidium space cold atom clock
Li Lin, Ji Jingwei, Ren Wei, Zhao Xin, Peng Xiangkai, Xiang Jingfeng, Lü Desheng†, 
, Liu Liang‡,
, Liu Liang‡, (a) Fluctuation of magnetic field inside the magnetic shields versus external magnetic field altering from −40 μT to 40 μT in amplitude. Black: center of the MOT; blue: at the fluxgate F1; red: center of the Ramsey cavity. (b) The fluctuation of magnetic field in the Ramsey cavity versus external field. Black: magnetic field at a-zone; red: magnetic field at b-zone.
