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电子自旋的时间量子控制 被引量:4

Time Quantum Control of Electron Spin
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摘要 提出一种时间量子控制方案,通过控制所加外部控制场的作用时间能有效地控制电子自旋到达给定的目标量子态,同时发现电子自旋状态能随控制场作用时间呈周期性变化.讨论了外部控制场与其作用时间的关系,结果表明:对于给定的量子控制任务,在选定的某个周期内,作用时间与控制场强度成反比. A time quantum control scheme is proposed, in which the electron spin can effectively be controlled to given objective quantum state through controlling acting time of external control field. The states of electron spin periodically vary with the acting time o{ control field. The relation between external control field and its acting time is also discussed. The result shows that the acting time is in inverse proportion to control strength in some certain period when a quantum control task is given.
出处 《控制与决策》 EI CSCD 北大核心 2006年第1期38-41,共4页 Control and Decision
基金 国家985高水平大学建设基金项目(KY2706) 中国科学院研究生科学与社会实践资助专项(创新研究类)项目(No.2004-18) 中国科学技术大学研究生创新基金项目(KD2004048)
关键词 量子控制论 电子自旋 量子态 时间量子控制 作用时间 Quantum control theory Electron spin Quantum states Time quantum control Acting time
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参考文献12

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二级参考文献6

共引文献13

同被引文献37

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