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arXiv quant-ph/0608012quant-ph
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用单个可分解观测量度量多部并发

Measuring Multipartite Concurrence with a Single Factorizable Observable

Leandro Aolita, Florian Mintert

摘要:

我们表明,对于任何复合系统与任意数量的有限维子系统,它是可以直接测量的纯态的多部并发通过检测只有一个单一的可分解的观察,提供两个副本的复合状态。这一结果可以立即在囚禁离子和纠缠光子实验中得到应用。

英文摘要:

We show that, for any composite system with an arbitrary number of finite-dimensional subsystems, it is possible to directly measure the multipartite concurrence of pure states by detecting only one single factorizable observable, provided that two copies of the composite state are available. This result can be immediately put into practice in trapped-ion and entangled-photon experiments.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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