Thermal quantum correlations of a spin-1/2 Ising–Heisenberg diamond chain with Dzyaloshinskii–Moriya interaction*

Project supported by the National Natural Science Foundation of China (Grant No. 11274102), the New Century Excellent Talents in University of Ministry of Education of China (Grant No. NCET-11-0960), and the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20134208110001).

Zheng Yidan, Mao Zhu, Zhou Bin
       

(color online) (a) (b) TQD and (c) (d) concurrence versus temperature T and the Heisenberg coupling parameter J with fixed values Δ = 1, J1 = 1, Dz = 1, and h = 1.