Real-space observation of ultraconfined in-plane anisotropic acoustic terahertz plasmon polaritons
S. Chen, P. L. Leng, A. Konečná, Martin Gutierrez-Amigo, E. Vicentini, B. Martín-García, M. Barra-Burillo, I. Niehues, C. Maciel Escudero, X. Y. Xie, L. E. Hueso, E. Artacho, J. Aizpurua, Ion Errea, Maia G. Vergniory, A. Chuvilin, F. X. Xiu and Rainer Hillenbrand
Nature Materials https://doi.org/10.1038/s41563-023-01547-8 (2023)