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Tavis-Cummings模型中原子间偶极相互作用对场熵演化特性的影响
引用本文:黄春佳,贺慧勇,厉江帆,周明.Tavis-Cummings模型中原子间偶极相互作用对场熵演化特性的影响[J].物理学报,2002,51(5):1049-1053.
作者姓名:黄春佳  贺慧勇  厉江帆  周明
作者单位:长沙电力学院物理与信息工程系,长沙410077
基金项目:湖南省教育厅科研计划项目 (批准号 :0 110 40 0 10 12 8)资助的课题
摘    要:研究了单模辐射场与耦合双原子相互作用系统场熵的演化特性,讨论了原子间偶极相互作用对场熵演化特性的影响.研究结果表明,当原子间偶极偶极相互作用不太强时,场熵的时间演化行为与单光子JC模型相似;当原子间偶极偶极相互作用足够强时,场熵的时间演化行为与双光子JC模型相似 关键词: 单模辐射场 耦合双原子 场熵演化

关 键 词:单模辐射场  耦合双原子  场熵演化
收稿时间:2001-08-15
修稿时间:2001年8月15日

Influence of the dipole-dipole interaction between atoms on the entropy properties of field in the Tavis-Cummings model
Huang Chun-Ji,He Hui-Yong,Li Jiang-Fan and Zhou Ming.Influence of the dipole-dipole interaction between atoms on the entropy properties of field in the Tavis-Cummings model[J].Acta Physica Sinica,2002,51(5):1049-1053.
Authors:Huang Chun-Ji  He Hui-Yong  Li Jiang-Fan and Zhou Ming
Abstract:The entropy evolution properties of the field interacting with two coupling-atoms are studied by means of quantum theory. Using numerical method, the influence of the dipole-dipole interaction between atoms on the entropy evolution properties of the field in the Tavis-Cummings(T-C) model is discussed. The results indicate that the entropy evolution behaviour of the field in T-C model is similar to the single-photon J-C model if the dipole-dipole interaction between atoms is weaker and it is same as the double-photon J-C model if the dipole-dipole interaction between atoms is strong enough.
Keywords:single-mode field  two coupling-atoms  field entropy evolution
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