Ma, Xiao San; Cheng, Mu-Tian; Zhao, Guang-Xing; Wang, An Min - In: Physica A: Statistical Mechanics and its Applications 391 (2012) 7, pp. 2500-2506
The effect of Dzialoshinski–Moriya (DM) interaction on the quantum discord and the thermal entanglement of the density matrix of a spin star model is investigated. Our results imply that the quantum correlation measured by quantum discord and thermal entanglement can be established between two...