Feasibility of HTS Magnet Option for Fusion Reactors

National Institute for Fusion Science, 322-6 Oroshi-cho, Toki, Gifu 509-5292, Japan 1)Department of Quantum Science and Energy Engineering, Tohoku University, 6-6-01-2 Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan 2)The Graduate University for Advanced Studies, 322-6 Oroshi-cho, Toki, Gifu 509-5292, Japan 3)Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba 277-8568, Japan 4)Research Institute of Superconductor Science and Systems, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan