Entanglement teleportation via a couple of quantum channels in Ising–Heisenberg spin chain model of a heterotrimetallic Fe–Mn–Cu coordination polymer*

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 Yi-Dan, Mao Zhu, Zhou Bin
       

The density plot of the average fidelity FA as functions of T and Δ for J1 = J2 = −1: (a) h = 0, (b) h = 0.3. Here the red curve corresponds to FA = 2/3.