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非简并双光子Jaynes-Commings模型中纠缠度对光场的影响
Influence of Entanglement Degree on the Light Field in the Nondegenerate Two-Photon Jaynes-Commings Model
【摘要】 研究两纠缠原子之一在光腔中与两个非简并双光子的相互作用,通过针对性选择测量,使得系统场被约化为不同的态矢,得到纠缠交换的目的;分析原子的纠缠度对约化后光场性质的影响,结果表明纠缠度强烈影响光场的平均光子数分布和二阶量子相干性.
【Abstract】 The paper mainly considers the interaction about one of the two entangled atoms with the nondegenerate two-photon in cavity.After selective detection on one of the atoms,the properties of the light field has been investigated.It is proved that the average photon numbers and the second-order quantum coherence are dramatically influenced by the entangled degree of the atoms.
【关键词】 纠缠度;
纠缠交换;
平均光子数;
二阶量子相干性;
【Key words】 entanglement degree; entanglement swapping; nondegenerate double-photon; second-order quantum coherence;
【Key words】 entanglement degree; entanglement swapping; nondegenerate double-photon; second-order quantum coherence;
【基金】 安徽省教育厅自然科学基金重点项目(2004JK186)
- 【文献出处】 安徽师范大学学报(自然科学版) ,Journal of Anhui Normal University(Natural Science) , 编辑部邮箱 ,2006年04期
- 【分类号】O431.2
- 【被引频次】5
- 【下载频次】55