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Controlled decoherence of three-level rf-SQUID qubit with asymmetric potential

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【作者】 嵇英华； 赖慧芳； 蔡十华； 王资生；

【Author】 Ji Ying-Hua a)b),Lai Hui-Fang a),Cai Shi-Hua a),and Wang Zi-Shenga) a) College of Physics and Communication Electronics,Jiangxi Normal University,Nanchang 330022,China b) Key Laboratory of Optoelectronic and Telecommunication of Jiangxi,Nanchang 330022,China

【机构】 College of Physics and Communication Electronics,Jiangxi Normal University； Key Laboratory of Optoelectronic and Telecommunication of Jiangxi；

【摘要】 A scheme is proposed to controll the decoherence of three-level rf-SQUID qubit with asymmetric potential by designing an external electric circuit for superconductive flux qubit.The results show that it may not only raise the gate speed but also extend decoherence time for a three-level structure.

【Abstract】 A scheme is proposed to controll the decoherence of three-level rf-SQUID qubit with asymmetric potential by designing an external electric circuit for superconductive flux qubit.The results show that it may not only raise the gate speed but also extend decoherence time for a three-level structure.

【关键词】 gate speed； quantum NOT gates； decoherence time； controll；
【Key words】 gate speed； quantum NOT gates； decoherence time； controll；
【基金】 Project supported by the National Natural Science Foundation of China (Grant No. 10864002)
  • 【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2010年03期
  • 【分类号】O413.1
  • 【下载频次】14
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