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A simple scheme to generate χ-type four-charge entangled states in circuit QED

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【Author】 Gao Gui-Long a) , Song Fu-Quan b) , Huang Shou-Sheng a) , Wang Hui a) , Yuan Xian-Zhang a) , Wang Ming-Feng a) , and Jiang Nian-Quan a) a) College of Physics and Electric Information, Wenzhou University, Wenzhou 325035, China b) Department of Physics, Zhejiang Normal University, Jinhua 321004, China

【机构】 College of Physics and Electric Information, Wenzhou University, Wenzhou 325035, China； Department of Physics, Zhejiang Normal University, Jinhua 321004, China；

【摘要】 We propose a simple scheme to generate χ-type four-charge entangled states by using SQUID-based charge qubits capacitively coupled to a transmission line resonator (TLR). The coupling between the superconducting qubit and the TLR can be effectively controlled by properly adjusting the control parameters of the charge qubit. The experimental feasibility of our scheme is also shown.更多还原

【Abstract】 We propose a simple scheme to generate χ-type four-charge entangled states by using SQUID-based charge qubits capacitively coupled to a transmission line resonator (TLR). The coupling between the superconducting qubit and the TLR can be effectively controlled by properly adjusting the control parameters of the charge qubit. The experimental feasibility of our scheme is also shown.更多还原

【关键词】 χ-type entangled state； superconducting quantum interference device； transmission line resonator； superconducting charge qubit；
【Key words】 χ-type entangled state； superconducting quantum interference device； transmission line resonator； superconducting charge qubit；

【基金】 supported by the National Natural Science Foundations of China (Grant Nos. 10947017/A05 and 11074190);the Science Foundation of the Key Laboratory of Novel Thin Film Solar Cells, China (Grant No. KF200912);the Graduates’ Innovative Scientific Research Project of Zhejiang Province, China (Grant No. 2011831)

【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2012年04期

【分类号】O431.2
【被引频次】2
【下载频次】24

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