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Cluster States Prepared by using Hot Trapped Ions
  • ISSN号：1009-1963
  • 期刊名称：CHINESE PHYSICS
  • 时间：0
  • 页码：2219-2223
  • 语言：中文
  • 分类：O431[机械工程—光学工程;理学—光学;理学—物理]
  • 作者机构：[1]福建师范大学物理与光电信息科技学院,福建福州350007, [2]集美大学理学院,福建厦门361021
  • 相关基金：国家自然科学基金资助项目（60878059,10574022,10947147,11004033）;福建省自然科学基金资助项目（2010J01002,2007Jo002）;福建省教育厅基金资助项目（JA09042）
  • 相关项目：利用腔泄漏消相干效应实现量子计算
作者： Yang Rong-Can, Li Hong-Cai, Lin Xiu, Huang Zhi-Pin|
关键词： 绝热过程, W态, 高维纠缠态, adiabatic passage, W state,high-dimensional entangled state
中文摘要：

利用绝热技术提出制备W态和两原子高维纠缠态方案．在这些方案中，量子信息都存储在原子的基态上，且系统仅在暗态空间中演化，原子在激发态上无布居，这使得原子的自发辐射效应大大受到抑制．另外，绝热技术确保这些方案对实验参数的涨落具有强的鲁棒性．其方法操作步骤简单，既有效节省了资源，同时更容易在实验上实现．

英文摘要：

Schemes are presented for preparation for W state and high-dimensional entangled states of two atoms via adiabatic passage. In these schemes,since the quantum information is encoded in atomic ground states and the system always evolves in the dark state space so that there is no population in the atomic excited state, the atomic spontaneous emission is suppressed effectively. In addition, adiabatic passage insures that these schemes are robust to the fluctuation of the experimental parameter. Compared with previous proposals, our project saves effectively resources and can be experimentally realized more easily due to simpler operation.

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利用腔泄漏消相干效应实现量子计算
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