Authors Yoichi OKIMOTO, Tsugumi EGAWA, Ryo FUKAYA, Yoshitaka MATSUBARA, Yuki YAMADA, Nao YAMAYA, Tadahiko ISHIKAWA, Ken ONDA, Shin-ya KOSHIHARA, Hiroki TANIGUCHI, Mitsuru ITOH, Akira ISAYAMA and Takao SASAGAWA

Journal Journal of the Physical Society of Japan 82 (2013) 074721  Date 2013, July  Style Paper