@article{CTT100714819,
  author = {I. Umegaki and H. Tanaka and N. Kurita and T. Ono and M.  Laver and Ch.  Niedermayer and Ch.  Rüegg and S.  Ohira-Kawamura and Kenji Nakajima and 加倉井 和久},
  title = {Spinon, soliton and breather in the spin-1/2 antiferromagnetic chain compound KCuGaF<sub>6</sub>},
  journal = {Phys. Rev. B},
  year = 2015,
}

@article{CTT100714425,
  author = {I. Umegaki and H. Tanaka and T. Ono and M. Oshikawa and Kazumitsu Sakai},
  title = {Thermodynamic properties of quantum sine-Gordon spin chain system KCuGaF6},
  journal = {Phys. Rev. B},
  year = 2012,
}

@article{CTT100714426,
  author = {T. Amemiya and I. Umegaki and H. Tanaka and T. Ono and A. Matsuo and K. Kindo},
  title = {Ferromagnetism induced in the anisotropic stacked kagome lattice antiferromagnet Cs2Cu3CeF12},
  journal = {Phys. Rev. B},
  year = 2012,
}

@article{CTT100714409,
  author = {Sonia Sharmin and I. Umegaki and H. Tanaka and T. Ono and G. Tanaka and H. Nojiri and M. Fujisawa and N. Matsumi and M. Tomoo and S. Okubo and H. Ohta and T. Sakurai},
  title = {Antiferromagnetic resonance modes for the S =1/2 kagome antiferromagnet Cs2Cu3SnF12},
  journal = {J. Phys: Conf. Ser.},
  year = 2011,
}

@article{CTT100714411,
  author = {Y. Mori and T. Goto and I. Umegaki and H. Tanaka},
  title = {19F-NMR Study on Antiferromagnetic Heisenberg Chain KCuGaF6},
  journal = {J. Phys: Conf. Ser.},
  year = 2011,
}

@article{CTT100714403,
  author = {I. Umegaki and T. Ono and H. Tanaka and M. Oshikawa and H. Nojiri},
  title = {Elementary excitations and specific heat in quantum sine-Gordon spin chain KCuGaF6},
  journal = {Physica E},
  year = 2011,
}

@article{CTT100714400,
  author = {I. Umegaki and H. Tanaka and T. Ono and H. Nojiri},
  title = {Observation of Elementary Excitations of Quantum Sine-Gordon Spin System KCuGaF6 Under High Magnetic Field},
  journal = {J. Low Temp. Phys.},
  year = 2010,
}

@article{CTT100586866,
  author = {Izumi Umegaki and Hidekazu Tanaka and Toshio Ono and Hidehiro Uekusa and Hiroyuki Nojiri},
  title = {Elementary excitations of the S=1/2 one-dimensional antiferromagnet KCuGaF<sub>6</sub> in a magnetic field and quantum sine-Gordon model},
  journal = {Physical Review B},
  year = 2009,
}

@article{CTT100598743,
  author = {T. Amemiya and M. Yano and K. Morita and I. Umegaki and T. Ono and H. Tanaka and K. Fujii and H. Uekusa},
  title = {Partial ferromagnetic ordering and indirect exchange interaction in spatially anisotropic kagome antiferromagnet Cs<sub>2</sub>Cu<sub>3</sub>CeF<sub>12</sub>},
  journal = {Phys. Rev. B},
  year = 2009,
}