cond-mat.mes-hall quant-ph
Revealing spin-flip two-level systems using ultra-thin film superconducting resonators
Zi-Qing Huang Shu-Kun Ye Yong-Qiang Xu Tian-Yi Jiang Tian-Yue Hao Bao-Chuan Wang Xiang-Xiang Song Hai-Ou Li Guang-Can Guo Gang Cao Guo-Ping Guo