Affiliation: | 1. National Institute for Fusion Science, National Institutes of Natural Sciences, Gifu, Japan;2. National Institute for Fusion Science, National Institutes of Natural Sciences, Gifu, Japan Graduate University for Advanced Studies (SOKENDAI), Gifu, Japan;3. University of California at San Diego, La Jolla, California, USA;4. Kanazawa University, Kanazawa, Japan;5. Princeton Plasma Physics Laboratory, Princeton, New Jersey, USA |