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单模辐射场与耦合双原子相互作用系统中场熵的压缩特性
引用本文:黄春佳,周明,厉江帆,贺慧勇.单模辐射场与耦合双原子相互作用系统中场熵的压缩特性[J].物理学报,2002,51(4):805-808.
作者姓名:黄春佳  周明  厉江帆  贺慧勇
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:湖南省教育厅基金 (批准号 :0 110 40 0 10 12 8)~~
摘    要:研究了单模辐射场与耦合双原子相互作用系统中场熵的压缩特性,讨论了系统初始状态及原子间偶极相互作用对场熵压缩特性的影响.数值计算结果表明,当系统初始时刻处于合适的相干叠加态时,场熵呈现出周期性压缩现象,其压缩深度和压缩时间与原子间偶极相互作用强度有关. 关键词: 单模辐射场 耦合双原子 光场熵压缩

关 键 词:单模辐射场  耦合双原子  光场熵压缩
收稿时间:2001-08-20
修稿时间:2001年8月20日

The entropy squeezing properties in a system of single-mode field interacting with coupled atoms
Huang Chun-Ji,Zhou Ming,Li Jiang-Fan and He Hui-Yong.The entropy squeezing properties in a system of single-mode field interacting with coupled atoms[J].Acta Physica Sinica,2002,51(4):805-808.
Authors:Huang Chun-Ji  Zhou Ming  Li Jiang-Fan and He Hui-Yong
Abstract:The field entropy squeezing properties in a system of vacuum field interacting with coupled two atoms are studied by means of quantum theory,and we focus our attention on the discussion of the influence of the initial state of atoms and the coupling strength on the field entropy squeezing.The results obtained using the numerical method indicate that the field entropy can be squeezed periodically if the atoms are initially in a suitable coherent superposition of the exited state and the ground state,and the dipole interaction between atoms has an important influence on the field entropy squeezing.
Keywords:single  mode field  coupled two  atoms  field entropy squeezing
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