1. Institute for Physics of Intelligence (IPI) & Department of Physics, Graduate School of Science, The University of Tokyo, Bunkyo, Tokyo 113-0033, Japan
2. Trans-scale Quantum Science Institute, The University of Tokyo, Bunkyo, Tokyo 113-0033, Japan
3. Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
4. NTT Basic Research Laboratories, NTT Corporation, Atsugi, Kanagawa 243-0198, Japan
5. JST, PRESTO, Kawaguchi, Saitama 332-0012, Japan