Longitudinal magnon in the tetrahedral spin system Cu_2Te_2O_5Br_2 near quantum criticality

  • Author:

    C. Gros, P. Lemmens, M. Vojta, R. Valentí, K.-Y. Choi, H. Kageyama, Z. Hiroi, N. V. Mushinikov, T. Goto, M. Johnson, and P. Millet
  • Source:

    Phys. Rev. B 67, 174405 (2003)
  • Date: 8 May 2003