辐射场平移激发相干态的非经典物理特性  

Non-classical Physical Properties of the Displaced Excited Coherent States of the Radiation Field

作　　者：刘玉洁[1] 吴炜[1] 徐广文[1] 

机构地区：[1]辽宁大学物理系,辽宁沈阳110036

出　　处：《辽宁大学学报（自然科学版）》2004年第2期129-131,135,共4页Journal of Liaoning University：Natural Sciences Edition

摘　　要：利用平移算符D(β)=exp(βa+-β a)对Agarwal和Tara的激发相干态实施幺正变换,得到了一类新的非经典态,称之为平移激发相干态.研究了它的数学性质以及非经典特性,如压缩效应、反聚束效应等,其解析形式与数值计算结果表明了平移激发相干态具有明显的非经典特征.After making the Unitary Transformation on Agarwal and Tara's Excited Coherent States by means of the displaced operator D(β)=exp(βa^+-β~*a). We obtain a kind of new non-classical states which are called the Displaced Excited Coherent States. We have studied it's mathematical properties and it's non-classical characteristics, including the Squeezed effect and the Sub-Poissonian distribution and so on. The analytical forms and the calculated results of the numerical value demonstrate that the DECS have the striking non-classical features.

关 键 词：平移激发相干态 平均光子数分布 非经典特性 二阶相关函数 辐射场 量子光学 

分 类 号：O431.2[机械工程—光学工程]