Affiliation: | [1]Key Laboratory of Magnetic Levitation Technologies andMaglev Trains, Ministry of Education of China,Chengdu 610064, China [2]Superconductivity and New Energy R&D Center, Southwest JiaoTong University, Chengdu 610064, China [3]Institute of Nuclear Science and Technology,Sichuan University, Chengdu 610064, China |