A joint research group led by Prof. SHENG Dong and Prof. LU Zhengtian from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS), investigated the coupling effect between neutron spin and gravitational force via employing a high-precision xenon isotope magnetometer. This work was published in Physical Review Letters, entitled “Search for Spin-Dependent Gravitational Interactions at Earth Range”.