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中国物理学会期刊

利用Λ型原子与双模腔场的相互作用进行量子信息处理

CSTR: 32037.14.aps.54.4730

Scheme for quantum information processing via Λ-type atoms interacting with bimodal cavity field

CSTR: 32037.14.aps.54.4730
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  • 利用Λ型三能级原子与一个两模腔场在两光子共振和单光子大失谐条件下的相互作用模型,给出了制备两个和三个远距离的腔场的纠缠态和如何实现一个量子比特的原子态的远距离转移、纠缠态的转移的方案;同时找到了一种不用进行Bell基测量而实现纠缠交换的方法;构造了实现量子交换门的操作.最后对实验的可行性进行了分析.

     

    Some schemes for the entanglement generation of two and three distant cavity-fields and the distant transfer of a qubit atomic state and atomic entangled state are presented. The realization of entanglement swapping without measurement on Bell basis vectors and the operation of swap gate are proposed. These schemes are all based on Λ-type atoms interacting with bimodal under one-photon detuning and two-photon resonance. Finally, a discussion of experimental feasibility is given.

     

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