Affiliation: | (1) Faculty of Science, Himeji Institute of Technology, Kamigouri-chou, Akou-gun, 678-12 Hyogo, Japan;(2) Department of Physics, Okayama University, 700 Okayama, Japan;(3) Institute for Solid State Physics, University of Tokyo, Roppongi, Minato-ku, 106 Tokyo, Japan;(4) Serin Physics Laboratory, Rutgers University, P.O. Box 849, 08855 Piscataway, New Jersey |