@article{CTT100714501, author = {H. Tanaka and N. Kurita and M. Okada and E. Kunihiro and Y. Shirata and K. Fujii and H. Uekusa and A. Matsuo and K. Kindo and H. Nojiri}, title = {Almost Perfect Frustration in the Dimer Magnet Ba2CoSi2O6Cl2}, journal = {J. Phys. Soc. Jpn.}, year = 2014, } @article{CTT100714423, author = {Y. Shirata and H. Tanaka and A. Matsuo and K. Kindo}, title = {Experimental Realization of Spin-1/2 Triangular-Lattice Heisenberg Antiferromagnet}, journal = {Phys. Rev. Lett.}, year = 2012, } @article{CTT100714422, author = {Y. Shirata and H. Tanaka and T. Ono and A. Matsuo and K. Kindo and H. Nakano}, title = {Quantum Magnetization Plateau in Spin-1 Triangular-Lattice Antiferromagnet}, journal = {J. Phys. Soc. Jpn.}, year = 2011, } @article{CTT100714404, author = {T. Ono and H. Tanaka and Y. Shirata and A. Matsuo and K. Kindo and F. Ishikawa and O. Kolomiyets and H. Mitamura and T. Goto and H. Nakano and N. A. Fortune and S. T. Hannahs and Y. Yoshida and Y. Takano}, title = {Magnetic-Field Induced Quantum Phase Transitions in Triangular-Lattice Antiferromagnets}, journal = {J. Phys: Conf. Ser.}, year = 2011, }