"Makiko Okada,Hidekazu Tanaka,Nobuyuki Kurita,Johmoto Kohei,Hidehiro Uekusa,A. Miyake,M. Tokunaga,S. Nishimoto,M. Nakamura,M. Jaime,G. Radtke,A. Sa?l","Quasi-two-dimensional Bose-Einstein condensation of spin triplets in the dimerized quantum magnet Ba2CuSi2O6Cl2",,,"Physical Review B"," 94",," 094421(1-8)",2016,Sept. "M. Koike,M. Okada,N. Kurita,H. Tanaka,H. Uekusa,K. Johmoto,A. Matsuo,K. Kindo","Quantum crystallization of magnetic quasiparticles in a dimer magnet Ba2NiSi2O6Cl2","20th International Conference on Magnetism",,,,,,2015,July "M. Okada,N. Kurita,H. Tanaka,K. Johmoto,H. Uekusa,A. Matsuo,K. Kindo,M. Tokunaga,H. Nojiri,M. Nakamura,S. Nishimoto","Bose-Einstein condensation vs. crystallization of magnons in dimer magnets Ba2MSi2O6Cl2 (M=Co, Cu)","20th International Conference on Magnetism",,,,,,2015,July "H. Tanaka,N. Kurita,M. Okada,E. Kunihiro,Y. Shirata,K. Fujii,H. Uekusa,A. Matsuo,K. Kindo,H. Nojiri","Almost Perfect Frustration in the Dimer Magnet Ba2CoSi2O6Cl2",,"J. Phys. Soc. Jpn.",," 83",," 103701 (1-5)",2014,Sept.