Pairwise thermal entanglement in the Ising-XYZ diamond chain structure in an external magnetic fieldJ. Torrico, M. Rojas, S. M. de Souza, Onofre Rojas and N. S. AnanikianEPL, 108 5 (2014) 50007DOI: https://doi.org/10.1209/0295-5075/108/50007