1. Department of Physics, Hokkaido University, Sapporo 060-0810, Japan
2. Hochfeld-Magnetlabor Dresden (HLD-EMFL) and Würzburg-Dresden Cluster of Excellence ct.qmat, Helmholtz–Zentrum Dresden–Rossendorf, 01328 Dresden, Germany
3. Institut fur Festkörper- und Materialphysik, TU Dresden, 01062 Dresden, Germany
4. Graduate School of Science, University of Hyogo, Kamigori, Hyogo 678-1297, Japan
5. Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8530, Japan