1. Department of Applied Physics, Graduate School of Science, Tokyo University of Science, Katsushika, Tokyo 125-8585, Japan
2. The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba 277-8581, Japan
3. Office of University Professor, The University of Tokyo, Kashiwa, Chiba 277-8581, Japan
4. Material Innovation Research Center, The University of Tokyo, Kashiwa, Chiba 277-8561, Japan
5. Trans-scale Quantum Science Institute, The University of Tokyo, Bunkyo, Tokyo 113-0033, Japan