Quantum nondemolition measurement of the Werner state
Quantum nondemolition measurement of the Werner state
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维尔纳态的量子非破坏测量
DOI：
10.1103/physreva.82.04211
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发表时间：
2010-10
影响因子：
2.9
通讯作者：
Yu, Chang-shui
中科院分区：
文献类型：
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作者：
Song, He-shan;Pei, Pei;Jin, Jia-sen;Yu, Chang-shui
提出了两量子比特Werner态量子非破坏测量的理论方案。我们讨论了将两个量子比特限制在一个局部位置的方案，然后将该方案扩展到两个量子比特分开的情况。我们还考虑了基于腔量子电动力学的方案的实验实现。有趣的是，我们的方案对探测过程引入的耗散效应具有很强的鲁棒性。最后，我们对我们的方案进行了简要的说明。
We propose a theoretical scheme of quantum nondemolition measurement of two-qubit Werner state. We discuss our scheme with the two qubits restricted in a local place and then extend the scheme to the case in which two qubits are separated. We also consider the experimental realization of our scheme based on cavity quantum electrodynamics. It is very interesting that our scheme is robust against the dissipative effects introduced by the probe process. We also give a brief interpretation of our scheme finally.