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增、减光子奇偶相干态的Wigner函数
Wigner functions for the photon-added and photon-depleted even and odd coherent states
【摘要】 利用Fock态表象下的Wigner函数定义,重构了增、减光子奇偶相干态的Wigner函数,并据此讨论了它们的非经典性质.结果表明增光子奇偶相干态总呈现出非经典特征,而减光子奇偶相干态分别仅在k为偶数和奇数时呈现出非经典特征.
【Abstract】 By using the definition of Wigner function in Fock states representation,Wigner functions for the photon-added and photon-depleted even and odd coherent states is reconstvucted. The results show that photon-added even and odd coherent states always demonstrate non-classical characteristics but photon-depleted even and odd coherent states demonstrate non-classical characteristics only when k take odd and even number respectively.
【关键词】 奇偶相干态;
玻色算符的逆算符;
Wigner函数;
【Key words】 even and odd coherent states; Boson inverse operators; Wigner function;
【Key words】 even and odd coherent states; Boson inverse operators; Wigner function;
【基金】 国家重点基础研究发展规划(973)项目(批准号:001CG3090301);上海重点学科资助的课题.~~
- 【文献出处】 物理学报 ,Acta Physica Sinica , 编辑部邮箱 ,2005年06期
- 【分类号】O431.2
- 【被引频次】15
- 【下载频次】180