Tunable interaction of superconducting flux qubits in circuit QED

被引：0
|
作者：
Zheng-Yuan Xue
Ya-Fei Li
Jian Zhou
Yu-Mei Gao
Gang Zhang
机构：
[1] South China Normal University,Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, and School of Physics and Telecommunication Engineering
[2] Anhui Xinhua University,National Laboratory of Solid State Microstructure
[3] Nanjing University,Zhongshan College
[4] University of Electronic Science and Technology of China,School of Mechanical and Electronic Engineering
[5] West Anhui University,undefined
来源：
Quantum Information Processing | 2016年 / 15卷
关键词：
Circuit QED; Tunable interaction; Superconducting flux qubit;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We propose to implement tunable interaction of superconducting flux qubits with cavity-assisted interaction and strong driving. The qubits have a three-level Lambda configuration, and the decay of the excited state will be greatly suppressed due to the effective large detuning. The implemented interaction is insensitive to the cavity field state and can be controlled by modulating the phase difference of the driving fields of the qubits. In particular, our scheme is based on the typical circuit QED setup and thus will provide a simple method towards the tunable interaction of superconducting qubits. Finally, we consider the generation of two and four qubits entangled states with the constructed interaction under the influence of typical decoherence effects.
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页码：721 / 729
页数：8
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