NatureBulk–spatiotemporal vortex correspondence in gyromagnetic zero-index mediaRuo-Yang ZhangXiaohan CuiYuan-Song ZengJin ChenWenzhe LiuMudi WangDongyang WangZhao-Qing ZhangNeng WangGeng-Bo WuC. T. Chan2025-05-14Full textDOI https://doi.org/10.1038/s41586-025-08948-6