1. Department of Physics, The University of Tokyo, Bunkyo, Tokyo 113-0033, Japan
2. National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
3. Institute for Physics of Intelligence, The University of Tokyo, Bunkyo, Tokyo 113-0033, Japan
4. Trans-scale Quantum Science Institute, The University of Tokyo, Bunkyo, Tokyo 113-0033, Japan