Fast and accurate flux-crosstalk characterization in superconducting-qubit circuitsRemoveXiao-Yan Yang, Peng Wang, Ran Guo, Hai-Feng Zhang, Tian-Le Wang, Ze-An Zhao, Sheng Zhang, Ren-Ze Zhao, Zhi-Fei Li, Yuan Wu, Zhi-Long Jia, Wei-Cheng Kong, Gang Cao, Peng Duan, and Guo-Ping GuoPhys. Rev. Applied 25, 034007 (2026)