Subterahertz collective dynamics of polar vortices

Qian Li, Vladimir A. Stoica, Marek Paściak, Yi Zhu, Yakun Yuan, Tiannan Yang, Margaret R. McCarter, Sujit Das, Ajay K. Yadav, Suji Park, Cheng Dai, Hyeon Jun Lee, Youngjun Ahn, Samuel D. Marks, Shukai Yu, Christelle Kadlec, Takahiro Sato, Matthias C. Hoffmann, Matthieu Chollet, Michael E. Kozina, Silke Nelson, Diling Zhu, Donald A. Walko, Aaron M. Lindenberg, Paul G. Evans, Long-Qing Chen, Ramamoorthy Ramesh, Lane W. Martin, Venkatraman Gopalan, John W. Freeland, Jirka Hlinka, Haidan Wen