Construction of two-qubit logical gates by transmon qubits in a three-dimensional cavity*

Project supported by the National Basic Research and Development Program of China (Grant No. 2011CBA00304), the National Natural Science Foundation of China (Grant Nos. 60836001 and 61174084), and the Tsinghua University Initiative Scientific Research Program, China (Grant No. 20131089314).

Cai Han, Liu Qi-Chun, Zhao Chang-Hao, Zhang Ying-Shan, Liu Jian-She, Chen Wei
       

The variation of state-swap frequency as the Stark drive power increases.