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Chinese Physics Letters

Concentration of Unknown Atomic Entangled States via Entanglement Swapping through Raman Interaction

邹金华, 胡响明

Published Jan 1, 2008• 0 citations
OpenAlex

Abstract

我们证明未知原子纠缠的状态的纠纷集中经由纠纷在洞证完基于拉曼相互作用交换的实现被完成。一个最大地纠缠的状态概率地从一双部分纠缠的状态被获得。由于有一个洞模式和一个外部开车领域的二个原子的拉曼相互作用，原子自发的排放的影响被消除了。因为洞模式的虚拟刺激，洞腐烂和热地的 decoherence 被忽视。[从作者抽象]

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We show that entanglement concentration of unknown atomic entangled states is achieved via the implementation of entanglement swapping based on Raman interaction in cavity QED. A maximally entangled state is obtained from a pair of partially entangled states probabilistically. Due to Raman interaction of two atoms with a cavity mode and an external driving field, the influence of atomic spontaneous emission has been eliminated. Because of the virtual excitation of the cavity mode, the decoherence of cavity decay and thermal field is neglected.

Chinese Physics Letters•Sep 1, 2008•7 citations
我们证明未知原子纠缠的状态的纠纷集中经由纠纷在洞证完基于拉曼相互作用交换的实现被完成。一个最大地纠缠的状态概率地从一双部分纠缠的状态被获得。由于有一个洞模式和一个外部开车领域的二个原子的拉曼相互作用，原子自发的排放的影响被消除了。因为洞模式的虚拟刺激，洞腐烂和热地的 decoherence 被忽视。[从作者抽象]
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We show that entanglement concentration of unknown atomic entangled states is achieved via the implementation of entanglement swapping based on Raman interaction in cavity QED. A maximally entangled state is obtained from a pair of partially entangled states probabilistically. Due to Raman interaction of two atoms with a cavity mode and an external driving field, the influence of atomic spontaneous emission has been eliminated. Because of the virtual excitation of the cavity mode, the decoherence of cavity decay and thermal field is neglected.