| Affiliation: | (1) Laboratory for Fundamental Studies, Tomsk State Pedagogical University, 634041 Tomsk, Russia;(2) Department of Physics and Chemistry, Graduate School of Humanities and Sciences, Ochanomizu University, Japan;(3) Department of Physics, Faculty of Science, Ochanomizu University, 1-1 Otsuka 2, Bunkyo-ku, Tokyo 112-8610, Japan |
