Theoretical and Experimental Studies on 600 A-Class Current Leads of Copper and REBCO Wires Cooled With a Single Cryocooler - Yajima, K.; Xu, H.; Nomura, S.; Chikaraishi, H.; Hirano, N.; Nitta, T.; Shintomi, T. (IEEE Transactions on Applied Superconductivity, Applied Superconductivity, IEEE Transactions on, IEEE Trans. Appl. Supercond., 2026)