TY - RPRT TI - Polaritonic quantum matter AU - Basov, D. N. [Columbia University, New York, NY (United States)] AU - Asenjo‐Garcia, Ana [Columbia University, New York, NY (United States)] AU - Schuck, P. James [Columbia University, New York, NY (United States)] AU - Zhu, Xiaoyang [Columbia University, New York, NY (United States)] AU - Rubio, Angel [Max Planck Institute for the Structure and Dynamics of Matter and Center for Free-Electron Laser Science, Hamburg (Germany); Flatiron Institute, New York, NY (United States)] AU - Cavalleri, Andrea [Max Planck Institute for the Structure and Dynamics of Matter and Center for Free-Electron Laser Science, Hamburg (Germany)] AU - Delor, Milan [Columbia University, New York, NY (United States)] AU - Fogler, Michael M. [University of California, San Diego, CA (United States)] AU - Liu, Mengkun [Stony Brook University, NY (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States)] PY - 2025 DO - 10.1515/nanoph-2025-0001 UR - https://www.osti.gov/biblio/2564328 ID - 2564328 ER -