Synthetic Spatiotemporal Plasmonic Vortices on ChipRemoveQian Chen, Shuoshuo Zhang, Guoyu Xian, Haoqiang Hu, Xiaohua Wu, Xiaofei Wu, Jer-Shing Huang, Chen-Bin Huang, Jin-Hui Zhong, Yuquan Zhang, Xiaocong Yuan, Changjun Min, and Yanan DaiPhys. Rev. Lett. 136, 256903 (2026)