1. Faculty of Agriculture, Meijo University, 1-501 Shiogamaguchi, Tempaku-ku, Nagoya 468-8502
2. Division of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502
3. Toyota Physical and Chemical Research Institute, Nagakute 480-1192
4. Research Center for Low Temperature and Materials Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501
5. Department of Physics, Graduate School of Science, Nagoya University, Chikusa-ku, Nagoya 464-8602
6. Department of Applied Physics, Nagoya University, Chikusa-ku, Nagoya 464-8603
7. Frontier Research Initiative, New Industry Creation Hatchery Center, Tohoku University, Aoba-ku, Sendai 980-8579
8. Condensed Matter Research Center (CMRC) and Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801