Author(s): Xinyue Zhang, Hongming Zhang, Yaofeng Zhu, Hang Zhou, Song Luo, Long Xu, Xin Li, Yuquan Zhou, Yan Liu, Zheng Lv, Yuxin Duan, Zhao Xu, Haodong Cheng, Long Zhang, and Zhanghai Chen Integrating a WSe2 monolayer into an optical microcavity generates valley-engineered Landau polaritons, enabling light-mediated valley control of quantum many-body states. [Phys. Rev. Lett. 137, 046904] Published Fri Jul 24, 2026