1. Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, Meguro-ku, Tokyo 153-8904, Japan
2. Institute for Chemical Research (ICR), Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
3. PRESTO, Japan Science and Technology Agency, Kawaguchi-shi, Saitama 332-0012, Japan
4. RIKEN Center for Quantum Computing (RQC), RIKEN, Wako, Saitama 351-0198, Japan
5. Center for Spintronics Research Network, Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
6. Center for Spintronics Research Network, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560–0043, Japan