Measuring reactive-load impedance with transmission-line resonators beyond the perturbative limitRemoveXuanjing Chu, Jinho Park, Jesse Balgley, Sean Clemons, Ted S. Chung, Kenji Watanabe, Takashi Taniguchi, Leonardo Ranzani, Martin V. Gustafsson, Kin Chung Fong, and James HonePhys. Rev. Applied 25, 044071 (2026)