Unveiling Spin and Poynting Dual Textures of an Optical Skyrmionic Tube in Free SpaceRemoveSicong Wang, Zhikai Zhou, Yongjie Zhu, Jialin Sun, Jiahui Mao, Minghui Wang, Shichao Song, Zi-lan Deng, Yaoyu Cao, Fei Qin, Yunkun Wu, Xifeng Ren, and Xiangping LiPhys. Rev. Lett. 136, 223803 (2026)
