Li, Sha-Sha; Ren, Ting-Qi; Kong, Xiang-Mu; Liu, Kai - In: Physica A: Statistical Mechanics and its Applications 391 (2012) 1, pp. 35-41
By the concept of negativity, we investigate the thermal entanglement in the two-spin (12,s) Heisenberg XXX and XXZ models in the presence of Dzyaloshinskii–Moriya (DM) interactions respectively. Through calculation, we know that for the XXZ model, the Δ and s can be used together to control...