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We propose schemes to generate an n-coherent-pulse GHZ state and a cluster state via the interaction between n coherent pulses and a two-sided cavity.In these schemes,a strong coupling condition is not needed,which makes the protocols possibly able to be implemented based on the current experiment technology. 相似文献
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对于高中物理图像,不仅要明确物理量随相关变量的变化,更要明确其具体的变化方式,图像是"上凸"类型还是"下凹"类型由其物理本质决定,文章从多个角度对图像的"上凸"和"下凹"问题进行分析讨论. 相似文献
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Generation of GHZ state and cluster state with atomic ensembles via the dipole-blockade mechanism 下载免费PDF全文
This paper proposes scalable schemes to generate the Greenberger-Horne-Zeilinger (GHZ) state and the cluster state with atomic ensembles via the dipole blockade mechanism on an atom chip, where the qubit is not carried by a single atom but an atomic ensemble. In the protocols, multiqubit entangled states are determinately prepared. Needlessness for single-photon source further decreases the complexity of the experiment. Based on the present laboratory technique, the schemes may be realized. The achieved results reveal a prospect for large-scale quantum communication and quantum computation. 相似文献
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