摘要
考虑双模SU( 1,1)相干态与二能级原子相互作用 ,分别用量子约化熵和量子相对熵研究了该系统双模SU( 1,1)相干态与原子间的纠缠以及双模SU( 1,1)相干态的模间纠缠 ,分析了SU( 1,1)双模光子数差和光场失谐量对场—原子纠缠和模间纠缠的影响 .
Considering the interaction between two-mode SU(1,1) coherence states and a two-level atom,we investigate the entanglement of field-atom and one of two modes of field using the quantum reduced entropy and quantum relative entropy,respectively.The influence of two-mode photon number difference and detuning on the evolution of the entanglement of field-atom and one of two modes of field has been discussed.
出处
《山东师范大学学报（自然科学版）》
CAS
2004年第2期33-36,共4页
Journal of Shandong Normal University(Natural Science)
基金
山东省中青年优秀科学家奖励基金资助项目 ( 0 3BS 0 61)
关键词
双模SU(1
1)相干态
量子纠缠
量子约化熵
量子相对熵
two-mode SU(1,1) coherence state
quantum entanglemen
quantum reduced entropy
quantum relative entropy
