1. International MegaGauss Science Laboratory (IMGSL), Institute for Solid State Physics (ISSP), University of Tokyo, Kashiwa, Japan
2. Laser and Synchrotron Research Center (LASOR), Institute for Solid State Physics (ISSP), University of Tokyo, Kashiwa, Japan
3. Graduate School of Frontier Biosciences, Osaka University, Suita, Japan
4. Department of Natural Science, Ibaraki National College of Technology, Hitachinaka, Japan