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 schematic representation of the spin-1/2 Ising–Heisenberg diamond chain. The red balls and lines denote the Heisenberg spins and interactions, while the black balls and lines represent the Ising spins and interactions.