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The Shastry-Sutherland system

Some work I have done on this topic:

  • Y. F. Cheng, O. Cépas, P. W. Leung and T. Ziman, Magnon dispersion and anisotropies in SrCu2(BO3)2 ,
    Phys. Rev. B 75, 144422 (2007). (pdf)

  • O. Cépas and T. Ziman, Theory of phonon-assisted ``forbidden'' optical transitions in spin-gapped systems,
    Phys. Rev. B 70, 024404 (2004). (pdf)

  • O. Cépas, T. Sakai and T. Ziman, Dynamics, Selection Rules and Dzyaloshinski-Moriya interactions in Strongly Frustrated Magnets
    Prog. Theor. Phys. Suppl. 145, 43 (2002). (pdf)

  • O. Cépas and T. Ziman, Static and Dynamical Dzyaloshinski-Moriya Interactions in gapped spin systems
    in Quantum Properties of Low-Dimensional Antiferromagnets, p. 175-182, Edited by Y. Ajiro and J.-P. Boucher (Kyushu University Press, Fukuoka, 2002). (ps)

  • K. Kakurai, K. Nukui, N. Aso, M. Nishi, H. Kadowaki, H. Kageyama, Y. Ueda, L.-P. Regnault and O. Cépas, Neutron Scattering Investigation on Quantum Spin System SrCu2(BO3)2
    Prog. Theor. Phys. Suppl. 159, 22 (2005). (pdf)

  • K. Kakurai, N. Aso, K. Nukui, M. Nishi, H. Kageyama, Y. Ueda, H. Kadowaki, and O. Cépas, Inelastic Neutron Scattering Experiment on Dzyaloshinski-Moriya Interaction in SrCu2(BO3)2
    ibid., p. 102-108 (2002). (doc)

  • O. Cépas, K. Kakurai, L. P. Regnault, J. P. Boucher, T. Ziman, N. Aso, M. Nishi, H. Kageyama, and Y. Ueda, Dzyaloshinski-Moriya Interaction in the 2d Spin Gap System SrCu2(BO3)2
    Phys. Rev. Lett. 87, 167205 (2001). (pdf)