Supplementary information for “Hyperbolic Plasmons Propagate through a Nodal Metal”

“Hyperbolic Plasmons Propagate through a Nodal Metal” Yinming Shao, Aaron J. Sternbach, Brian S. Y. Kim, Andrey A. Rikhter, Xinyi Xu, Umberto De Giovannini, Ran Jing, Sang Hoon Chae, Zhiyuan Sun, Yanglin Zhu, Zhiqiang Mao, J. Hone, Raquel Queiroz, A. J. Millis, P. James Schuck, A. Rubio, M. M. Fogler, D. N. Basov Department of Physics, Columbia University, New York, NY, 10027, USA Department of Mechanical Engineering, Columbia University, New York, NY, 10027, USA Department of Physics, University of California, San Diego, La Jolla, CA, 92093, USA Max Planck Institute for the Structure and Dynamics of Matter, Center for Free Electron Laser Science, Hamburg 22761, Germany