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Generating W State with Qubits of Superconducting Quantum Interference Devices via Adiabatic Passage

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【Author】 YE Xiao-Fang CHEN Mei-Feng College of Physics and Information Engineering,Fuzhou University,Fuzhou 350108,China

【机构】 College of Physics and Information Engineering,Fuzhou University；

【摘要】 <正> A scheme is proposed to generate W state with qubits of superconducting quantum interference devices(SQUIDs),based on adiabatic passage along dark state.Taking advantages of adiabatic passage,the scheme is very robustagainst decoherence,and it does not need to control the classical field and the interaction time accurately.Because of theachievable strong coupling between SQUID qubits and cavity,W state can be generated with high successful probability.更多还原

【Abstract】 A scheme is proposed to generate W state with qubits of superconducting quantum interference devices (SQUIDs),based on adiabatic passage along dark state.Taking advantages of adiabatic passage,the scheme is very robust against decoherence,and it does not need to control the classical field and the interaction time accurately.Because of the achievable strong coupling between SQUID qubits and cavity,W state can be generated with high successful probability.更多还原

【关键词】 SQUID qubits； W state； adiabatic passage； cavity QED；
【Key words】 SQUID qubits； W state； adiabatic passage； cavity QED；

【基金】 Supported by the Foundation of Educational Committee of Fujian Province under Grant Nos.JB09012 and JB09013

【文献出处】 Communications in Theoretical Physics ,理论物理通讯(英文版) , 编辑部邮箱 ,2011年05期

【分类号】O431.2
【被引频次】1
【下载频次】6

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