TY - RPRT TI - Imaging a terahertz superfluid plasmon in a two-dimensional superconductor AU - von Hoegen, A. [Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)] (ORCID:0000000259756350) AU - Tai, T. [Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)] (ORCID:0000000294785499) AU - Allington, C. J. [Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)] (ORCID:0000000201222815) AU - Yeung, M. [Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)] AU - Pettine, J. [Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)] AU - Michael, M. H. [Max Planck Institute for the Structure and Dynamics of Matter, Hamburg (Germany); Max Planck Institute for the Physics of Complex Systems, Dresden (Germany)] AU - Viñas Boström, E. [Max Planck Institute for the Structure and Dynamics of Matter, Hamburg (Germany)] (ORCID:0000000233184454) AU - Cui, X. [Harvard Univ., Cambridge, MA (United States)] (ORCID:0000000228242154) AU - Torres, K. [Harvard Univ., Cambridge, MA (United States)] AU - Kossak, A. E. [Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)] (ORCID:0000000192331445) AU - Lee, B. [Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)] AU - Beach, G. S. D. [Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)] (ORCID:0000000191587430) AU - Gu, Genda D. [Brookhaven National Laboratory (BNL), Upton, NY (United States)] (ORCID:0000000298863255) AU - Rubio, A. [Max Planck Institute for the Structure and Dynamics of Matter, Hamburg (Germany); Flatiron Institute, New York, NY (United States)] (ORCID:0000000320603151) AU - Kim, P. [Harvard Univ., Cambridge, MA (United States)] (ORCID:0000000282550086) AU - Gedik, N. [Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)] (ORCID:0000000263944987) PY - 2026 DO - 10.1038/s41586-025-10082-2 UR - https://www.osti.gov/biblio/3378233 ID - 3378233 ER -