%A Zhu Han-Jie (朱汉杰), Zhang Guo-Feng (张国锋) %T Geometric quantum discord and Berry phase between two charge qubits coupled by a quantum transmission line %0 Journal Article %D 2014 %J Chin. Phys. B %R 10.1088/1674-1056/23/12/120306 %P 120306-120306 %V 23 %N 12 %U {https://cpb.iphy.ac.cn/CN/abstract/article_116933.shtml} %8 2014-12-15 %X 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 system. We also calculate the energy and the Berry phase and compare them with GQD, finding that there are close connections between them.