Heisenberg XYZ Hamiltonian with Integrable Impurities
  In this letter, we construct a Hamiltonian of the impurity model within the framework of the open boundary Heisenberg XYZ spin chain. This impurity model is an exactly solved one and it degenerates to the integrable XXZ impurity model under the triangular limit. This approach is the first time to add the integrable impurities to the completely anisotropic Heisenberg spin model with the open boundary conditions. 
Zhan-Ning Hu (Institute of Physics and Center for Condensed Matter   Physics, A.S., China)