Author(s): Kenan Tian, Siwen Chen, Lei Wang, Yuanji Sheng, Dingjiang Long, Rui Li, Han Xie, Yiming Chen, Xiang Bian, Hao Wang, Ruoyu Ding, Chang-Kui Duan, Peiran Yin, Xi Kong, and Pu Huang Exotic spin-spin-velocity-dependent interactions, predicted in extensions of the standard model involving new bosonic fields, could resolve fundamental puzzles from dark matter to cosmic asymmetry. However, exploring these weak potential interactions at centimeter scales presents formidable challeng… [Phys. Rev. Lett. 137, 081001] Published Mon Aug 17, 2026