Current address: Division of Applied Physics, Faculty of Engineering, Hokkaido University, Kita-ku, Sapporo, Hokkaido, Japan.
Affiliations
Graduate School of Education and Human Development, Nagoya University, Furo-cho, Chikusa, Nagoya, Japan,
Japan Society for the Promotion of Science, 5-3-1, Koujimachi, Chiyoda-ku, Tokyo, Japan