Project supported by the National Natural Science Foundation of China(Grant No.11174024);the State Key Laboratory of Low-Dimensional Quantum Physics(Tsinghua University)(Grant No.KF201407);the Fundamental Research Funds for the Central Universities of Beihang University(Grant No.YWF-14-WLXY-017);Beijing City Youth Talent Plan
Geometric quantum discord(GQD) and Berry phase between two charge qubits coupled by a quantum transmission line are investigated. We show how GQDs evolve and investigate their dependencies on the parameters of the s...