| Affiliation: | 1. Department of Physics, Graduate School of Science, Tohoku University, Sendai 980‐8578, Japan;2. Department of Applied Physics, Waseda University, Tokyo 169‐8555, Japan;3. Central Research Institute of Electric Power Industry, Komae, Tokyo 201‐8511, Japan Correlated Electron Research Group, RIKEN, Wako 351‐0198, Japan;4. Department of Macromolecular Science and Engineering, Kyoto Institute of Technology, Kyoto 606‐8585, Japan;5. Quantum‐Phase Electronics Center and Department of Applied Physics, The University of Tokyo, Tokyo 113‐8656, Japan Correlated Electron Research Group, RIKEN, Wako 351‐0198, Japan;6. Department of Applied Physics, Graduate School of Advanced Science and Engineering, Waseda University, Tokyo 169‐8555, Japan |
